Subtract 6/64 from 21/35, Solve 21/35

Subtract 6/64 from 21/35

21/35 - 6/64 is 81/160.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 64 is 2240

Next, find the equivalent fraction of both fractional numbers with denominator 2240
For the 1st fraction, since 35 × 64 = 2240,
21/35 = 21 × 64/35 × 64 = 1344/2240
Likewise, for the 2nd fraction, since 64 × 35 = 2240,
6/64 = 6 × 35/64 × 35 = 210/2240
Subtract the two like fractions:
1344/2240 - 210/2240 = 1344 - 210/2240 = 1134/2240
After reducing the fraction, the answer is 81/160

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