Subtract 49/64 from 56/98, Solve 56/98

Subtract 49/64 from 56/98

56/98 - 49/64 is -87/448.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 64 is 3136

Next, find the equivalent fraction of both fractional numbers with denominator 3136
For the 1st fraction, since 98 × 32 = 3136,
56/98 = 56 × 32/98 × 32 = 1792/3136
Likewise, for the 2nd fraction, since 64 × 49 = 3136,
49/64 = 49 × 49/64 × 49 = 2401/3136
Subtract the two like fractions:
1792/3136 - 2401/3136 = 1792 - 2401/3136 = -609/3136
After reducing the fraction, the answer is -87/448

MathStep (Works offline)

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