Subtract 4/54 from 15/49, Solve 15/49

Subtract 4/54 from 15/49

15/49 - 4/54 is 307/1323.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 49 × 54 = 2646,
15/49 = 15 × 54/49 × 54 = 810/2646
Likewise, for the 2nd fraction, since 54 × 49 = 2646,
4/54 = 4 × 49/54 × 49 = 196/2646
Subtract the two like fractions:
810/2646 - 196/2646 = 810 - 196/2646 = 614/2646
After reducing the fraction, the answer is 307/1323

MathStep (Works offline)

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