What is 15 87/40 as an improper fraction?

The mixed number 15 87/40 written as an improper fraction is 687/40

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Convert 15 87/40 as an improper fraction

To turn the mixed number 15 87/40 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 15 × 40 = 600.

After that, add the result to the numerator of the fractional part: 600 + 87 = 687.

Next, Write the sum of the previous step on the original denominator: 687/40.

15
87/40
=
15 × 40 + 87/40
=
687/40

This means that 15 87/40, as an improper fraction, equals 687/40.

See also: 15 87/40 as a decimal

Examples of decimal to fraction calculations