Subtract 18/8 from 7/60, Solve 7/60

Subtract 18/8 from 7/60

1^st number: 7/60, 2^nd number: 2 2/8

7/60 - 18/8 is -32/15.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 60 × 2 = 120,
7/60 = 7 × 2/60 × 2 = 14/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120
Subtract the two like fractions:
14/120 - 270/120 = 14 - 270/120 = -256/120
After reducing the fraction, the answer is -32/15

MathStep (Works offline)

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