Subtract 21/64 from 56/98, Solve 56/98

Subtract 21/64 from 56/98

56/98 - 21/64 is 109/448.

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,
21/64 = 21 × 49/64 × 49 = 1029/3136
Subtract the two like fractions:
1792/3136 - 1029/3136 = 1792 - 1029/3136 = 763/3136
After reducing the fraction, the answer is 109/448

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