Subtract 15/49 from 4/32, Solve 4/32

Subtract 15/49 from 4/32

4/32 - 15/49 is -71/392.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 49 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 32 × 49 = 1568,
4/32 = 4 × 49/32 × 49 = 196/1568
Likewise, for the 2nd fraction, since 49 × 32 = 1568,
15/49 = 15 × 32/49 × 32 = 480/1568
Subtract the two like fractions:
196/1568 - 480/1568 = 196 - 480/1568 = -284/1568
After reducing the fraction, the answer is -71/392

MathStep (Works offline)

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