Subtract 35/64 from 40/70, Solve 40/70

Subtract 35/64 from 40/70

40/70 - 35/64 is 11/448.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240

Next, find the equivalent fraction of both fractional numbers with denominator 2240
For the 1st fraction, since 70 × 32 = 2240,
40/70 = 40 × 32/70 × 32 = 1280/2240
Likewise, for the 2nd fraction, since 64 × 35 = 2240,
35/64 = 35 × 35/64 × 35 = 1225/2240
Subtract the two like fractions:
1280/2240 - 1225/2240 = 1280 - 1225/2240 = 55/2240
After reducing the fraction, the answer is 11/448

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