Subtract 4/32 from 15/63, Solve 15/63

Subtract 4/32 from 15/63

15/63 - 4/32 is 19/168.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 32 is 2016

Next, find the equivalent fraction of both fractional numbers with denominator 2016
For the 1st fraction, since 63 × 32 = 2016,
15/63 = 15 × 32/63 × 32 = 480/2016
Likewise, for the 2nd fraction, since 32 × 63 = 2016,
4/32 = 4 × 63/32 × 63 = 252/2016
Subtract the two like fractions:
480/2016 - 252/2016 = 480 - 252/2016 = 228/2016
After reducing the fraction, the answer is 19/168

MathStep (Works offline)

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