Subtract 4/64 from 4/49, Solve 4/49

Subtract 4/64 from 4/49

4/49 - 4/64 is 15/784.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 64 is 3136

Next, find the equivalent fraction of both fractional numbers with denominator 3136
For the 1st fraction, since 49 × 64 = 3136,
4/49 = 4 × 64/49 × 64 = 256/3136
Likewise, for the 2nd fraction, since 64 × 49 = 3136,
4/64 = 4 × 49/64 × 49 = 196/3136
Subtract the two like fractions:
256/3136 - 196/3136 = 256 - 196/3136 = 60/3136
After reducing the fraction, the answer is 15/784

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