Subtract 5/36 from 20/35, Solve 20/35

Subtract 5/36 from 20/35

20/35 - 5/36 is 109/252.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 35 × 36 = 1260,
20/35 = 20 × 36/35 × 36 = 720/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
5/36 = 5 × 35/36 × 35 = 175/1260
Subtract the two like fractions:
720/1260 - 175/1260 = 720 - 175/1260 = 545/1260
After reducing the fraction, the answer is 109/252

MathStep (Works offline)

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