Subtract 60/32 from 2/21, Solve 2/21

Subtract 60/32 from 2/21

1^st number: 2/21, 2^nd number: 1 28/32

2/21 - 60/32 is -299/168.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
2/21 = 2 × 32/21 × 32 = 64/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
60/32 = 60 × 21/32 × 21 = 1260/672
Subtract the two like fractions:
64/672 - 1260/672 = 64 - 1260/672 = -1196/672
After reducing the fraction, the answer is -299/168

MathStep (Works offline)

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