What is 31 28/20 as an improper fraction?

The mixed number 31 28/20 written as an improper fraction is 648/20

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Convert 31 28/20 as an improper fraction

To turn the mixed number 31 28/20 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 + 28 = 648.

Next, Write the sum of the previous step on the original denominator: 648/20.

31
28/20
=
31 × 20 + 28/20
=
648/20

This means that 31 28/20, as an improper fraction, equals 648/20.

See also: 31 28/20 as a decimal

Examples of decimal to fraction calculations