What is 21 3/7 as an improper fraction?

The mixed number 21 3/7 written as an improper fraction is 150/7

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Convert 21 3/7 as an improper fraction

To turn the mixed number 21 3/7 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 21 × 7 = 147.

After that, add the result to the numerator of the fractional part: 147 + 3 = 150.

Next, Write the sum of the previous step on the original denominator: 150/7.

21
3/7
=
21 × 7 + 3/7
=
150/7

This means that 21 3/7, as an improper fraction, equals 150/7.

See also: 21 3/7 as a decimal

Examples of decimal to fraction calculations