Subtract 35/27 from 5/20, Solve 5/20

Subtract 35/27 from 5/20

1^st number: 5/20, 2^nd number: 1 8/27

5/20 - 35/27 is -113/108.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540

Next, find the equivalent fraction of both fractional numbers with denominator 540
For the 1st fraction, since 20 × 27 = 540,
5/20 = 5 × 27/20 × 27 = 135/540
Likewise, for the 2nd fraction, since 27 × 20 = 540,
35/27 = 35 × 20/27 × 20 = 700/540
Subtract the two like fractions:
135/540 - 700/540 = 135 - 700/540 = -565/540
After reducing the fraction, the answer is -113/108

MathStep (Works offline)

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