What is 12 17/20 as an improper fraction?

The mixed number 12 17/20 written as an improper fraction is 257/20

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Convert 12 17/20 as an improper fraction

To turn the mixed number 12 17/20 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 12 × 20 = 240.

After that, add the result to the numerator of the fractional part: 240 + 17 = 257.

Next, Write the sum of the previous step on the original denominator: 257/20.

12
17/20
=
12 × 20 + 17/20
=
257/20

This means that 12 17/20, as an improper fraction, equals 257/20.

See also: 12 17/20 as a decimal

Examples of decimal to fraction calculations