Common Fractions to Decimals Chart

Oct 13, 2025 by miodeya.com 121 views

Introduction

In mathematics, converting fractions to decimals is an essential skill that can be applied in various real-world situations. Decimals are a way of representing fractions as a sum of whole numbers and fractions of a unit. In this article, we will explore how to convert common fractions to decimals without using a calculator.

Method 1: Dividing the Numerator by the Denominator

To convert a fraction to a decimal, we can simply divide the numerator by the denominator. This method is straightforward and can be applied to most fractions.

a) $\frac{3}{4}$

To convert $\frac{3}{4}$ to a decimal, we can divide 3 by 4.

$\frac{3}{4} = 3 ÷ 4 = 0.75$

b) $\frac{1}{3}$

To convert $\frac{1}{3}$ to a decimal, we can divide 1 by 3.

$\frac{1}{3} = 1 ÷ 3 = 0.33\overline{3}$

Note that the decimal representation of $\frac{1}{3}$ is a repeating decimal, which means that the digit 3 repeats indefinitely.

c) $-\frac{1}{9}$

To convert $-\frac{1}{9}$ to a decimal, we can divide -1 by 9.

$-\frac{1}{9} = -1 ÷ 9 = -0.11\overline{1}$

Note that the decimal representation of $-\frac{1}{9}$ is a repeating decimal, which means that the digit 1 repeats indefinitely.

d) $1 \frac{3}{5}$

To convert $1 \frac{3}{5}$ to a decimal, we can first convert the fraction $\frac{3}{5}$ to a decimal and then add 1.

$\frac{3}{5} = 3 ÷ 5 = 0.6$

$1 \frac{3}{5} = 1 + 0.6 = 1.6$

e) $\frac{2}{5}$

To convert $\frac{2}{5}$ to a decimal, we can divide 2 by 5.

$\frac{2}{5} = 2 ÷ 5 = 0.4$

f) $\frac{3}{7}$

To convert $\frac{3}{7}$ to a decimal, we can divide 3 by 7.

$\frac{3}{7} = 3 ÷ 7 = 0.428571\overline{4}$

Note that the decimal representation of $\frac{3}{7}$ is a repeating decimal, which means that the digit 4 repeats indefinitely.

Method 2: Converting Fractions to Decimals Using Equivalent Fractions

Another method to convert fractions to decimals is to find equivalent fractions with denominators that are powers of 10. This method can be useful when the denominator is not a power of 10.

Example

To convert $\frac{3}{4}$ to a decimal using equivalent fractions, we can find an equivalent fraction with a denominator that is a power of 10.

$\frac{3}{4} = \frac{3 \times 2.5}{4 \times 2.5} = \frac{7.5}{10} = 0.75$

Conclusion

Converting fractions to decimals is an essential skill in mathematics that can be applied in various real-world situations. In this article, we explored two methods to convert common fractions to decimals without using a calculator. The first method involves dividing the numerator by the denominator, while the second method involves finding equivalent fractions with denominators that are powers of 10. By mastering these methods, you can easily convert fractions to decimals and solve problems in mathematics and other fields.

Common Fractions to Decimals Chart

Here is a chart of common fractions and their decimal equivalents:

Fraction	Decimal Equivalent
$\frac{1}{2}$	0.5
$\frac{1}{3}$	0.33\overline{3}
$\frac{2}{3}$	0.66\overline{6}
$\frac{3}{4}$	0.75
$\frac{1}{4}$	0.25
$\frac{3}{5}$	0.6
$\frac{2}{5}$	0.4
$\frac{1}{5}$	0.2
$\frac{3}{7}$	0.428571\overline{4}
$\frac{1}{7}$	0.142857\overline{1}

Q: What is the difference between a fraction and a decimal?

A: A fraction is a way of representing a part of a whole as a ratio of two numbers, while a decimal is a way of representing a fraction as a sum of whole numbers and fractions of a unit.

Q: How do I convert a fraction to a decimal?

A: To convert a fraction to a decimal, you can divide the numerator by the denominator. This method is straightforward and can be applied to most fractions.

Q: What if the denominator is not a power of 10?

A: If the denominator is not a power of 10, you can find an equivalent fraction with a denominator that is a power of 10. This method can be useful when the denominator is not a power of 10.

Q: How do I convert a mixed number to a decimal?

A: To convert a mixed number to a decimal, you can first convert the fraction part to a decimal and then add the whole number part.

Q: What if the fraction has a negative sign?

A: If the fraction has a negative sign, you can simply change the sign of the decimal equivalent. For example, if you have the fraction $-\frac{1}{2}$ , the decimal equivalent would be $-0.5$ .

Q: Can I use a calculator to convert fractions to decimals?

A: Yes, you can use a calculator to convert fractions to decimals. However, in this article, we are exploring methods to convert fractions to decimals without using a calculator.

Q: Why is it important to convert fractions to decimals?

A: Converting fractions to decimals is an essential skill in mathematics that can be applied in various real-world situations. Decimals are a way of representing fractions as a sum of whole numbers and fractions of a unit, which can be useful in many areas of mathematics and other fields.

Q: Can I convert decimals to fractions?

A: Yes, you can convert decimals to fractions by finding the equivalent fraction with a denominator that is a power of 10. This method can be useful when you need to express a decimal as a fraction.

Q: How do I convert a decimal to a fraction?

A: To convert a decimal to a fraction, you can find the equivalent fraction with a denominator that is a power of 10. For example, if you have the decimal 0.5, the equivalent fraction would be $\frac{1}{2}$ .

Q: What if the decimal has a repeating pattern?

A: If the decimal has a repeating pattern, you can express it as a fraction with a repeating denominator. For example, if you have the decimal 0.333..., the equivalent fraction would be $\frac{1}{3}$ .

Q: Can I use a calculator to convert decimals to fractions?

A: Yes, you can use a calculator to convert decimals to fractions. However, in this article, we are exploring methods to convert decimals to fractions without using a calculator.

Conclusion

Converting fractions to decimals is an essential skill in mathematics that can be applied in various real-world situations. In this article, we explored common fractions and their decimal equivalents, as well as methods to convert fractions to decimals without using a calculator. We also answered frequently asked questions about converting fractions to decimals and vice versa. By mastering these methods, you can easily convert fractions to decimals and solve problems in mathematics and other fields.