What is 31 31/40 as an improper fraction?

The mixed number 31 31/40 written as an improper fraction is 1271/40

/
=
/

Convert 31 31/40 as an improper fraction

To turn the mixed number 31 31/40 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 31 × 40 = 1240.

After that, add the result to the numerator of the fractional part: 1240 + 31 = 1271.

Next, Write the sum of the previous step on the original denominator: 1271/40.

31
31/40
=
31 × 40 + 31/40
=
1271/40

This means that 31 31/40, as an improper fraction, equals 1271/40.

See also: 31 31/40 as a decimal

Examples of decimal to fraction calculations