What is 80 45/8 as an improper fraction?

The mixed number 80 45/8 written as an improper fraction is 685/8

/
=
/

Convert 80 45/8 as an improper fraction

To turn the mixed number 80 45/8 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 80 × 8 = 640.

After that, add the result to the numerator of the fractional part: 640 + 45 = 685.

Next, Write the sum of the previous step on the original denominator: 685/8.

80
45/8
=
80 × 8 + 45/8
=
685/8

This means that 80 45/8, as an improper fraction, equals 685/8.

See also: 80 45/8 as a decimal

Examples of decimal to fraction calculations