What is 64 21/40 as an improper fraction?

The mixed number 64 21/40 written as an improper fraction is 2581/40

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Convert 64 21/40 as an improper fraction

To turn the mixed number 64 21/40 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 64 × 40 = 2560.

After that, add the result to the numerator of the fractional part: 2560 + 21 = 2581.

Next, Write the sum of the previous step on the original denominator: 2581/40.

64
21/40
=
64 × 40 + 21/40
=
2581/40

This means that 64 21/40, as an improper fraction, equals 2581/40.

See also: 64 21/40 as a decimal

Examples of decimal to fraction calculations