Subtract 4/32 from 60/42, Solve 1 18/42

Subtract 4/32 from 60/42

1^st number: 1 18/42, 2^nd number: 4/32

60/42 - 4/32 is 73/56.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
60/42 = 60 × 16/42 × 16 = 960/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
4/32 = 4 × 21/32 × 21 = 84/672
Subtract the two like fractions:
960/672 - 84/672 = 960 - 84/672 = 876/672
After reducing the fraction, the answer is 73/56
In mixed form: 117/56

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad