What is 45 31/40 as an improper fraction?

The mixed number 45 31/40 written as an improper fraction is 1831/40

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Convert 45 31/40 as an improper fraction

To turn the mixed number 45 31/40 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 45 × 40 = 1800.

After that, add the result to the numerator of the fractional part: 1800 + 31 = 1831.

Next, Write the sum of the previous step on the original denominator: 1831/40.

45
31/40
=
45 × 40 + 31/40
=
1831/40

This means that 45 31/40, as an improper fraction, equals 1831/40.

See also: 45 31/40 as a decimal

Examples of decimal to fraction calculations