Subtract 15/54 from 30/32, Solve 30/32

Subtract 15/54 from 30/32

30/32 - 15/54 is 95/144.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 54 is 864

Next, find the equivalent fraction of both fractional numbers with denominator 864
For the 1st fraction, since 32 × 27 = 864,
30/32 = 30 × 27/32 × 27 = 810/864
Likewise, for the 2nd fraction, since 54 × 16 = 864,
15/54 = 15 × 16/54 × 16 = 240/864
Subtract the two like fractions:
810/864 - 240/864 = 810 - 240/864 = 570/864
After reducing the fraction, the answer is 95/144

MathStep (Works offline)

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