What is 31 87/20 as an improper fraction?

The mixed number 31 87/20 written as an improper fraction is 707/20

/
=
/

Convert 31 87/20 as an improper fraction

To turn the mixed number 31 87/20 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 31 × 20 = 620.

After that, add the result to the numerator of the fractional part: 620 + 87 = 707.

Next, Write the sum of the previous step on the original denominator: 707/20.

31
87/20
=
31 × 20 + 87/20
=
707/20

This means that 31 87/20, as an improper fraction, equals 707/20.

See also: 31 87/20 as a decimal

Examples of decimal to fraction calculations