Subtract 18/7 from 36/60, Solve 36/60

Subtract 18/7 from 36/60

1^st number: 36/60, 2^nd number: 2 4/7

36/60 - 18/7 is -69/35.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
36/60 = 36 × 7/60 × 7 = 252/420
Likewise, for the 2nd fraction, since 7 × 60 = 420,
18/7 = 18 × 60/7 × 60 = 1080/420
Subtract the two like fractions:
252/420 - 1080/420 = 252 - 1080/420 = -828/420
After reducing the fraction, the answer is -69/35

MathStep (Works offline)

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