What is 42 90/40 as an improper fraction?

The mixed number 42 90/40 written as an improper fraction is 1770/40

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Convert 42 90/40 as an improper fraction

To turn the mixed number 42 90/40 into an improper fraction, use these simple steps:

First, multiply the whole number by the denominator of the fractional part: 42 × 40 = 1680.

After that, add the result to the numerator of the fractional part: 1680 + 90 = 1770.

Next, Write the sum of the previous step on the original denominator: 1770/40.

42
90/40
=
42 × 40 + 90/40
=
1770/40

This means that 42 90/40, as an improper fraction, equals 1770/40.

See also: 42 90/40 as a decimal

Examples of decimal to fraction calculations