Subtract 3/75 from 20/64, Solve 20/64

Subtract 3/75 from 20/64

20/64 - 3/75 is 109/400.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 75 is 4800

Next, find the equivalent fraction of both fractional numbers with denominator 4800
For the 1st fraction, since 64 × 75 = 4800,
20/64 = 20 × 75/64 × 75 = 1500/4800
Likewise, for the 2nd fraction, since 75 × 64 = 4800,
3/75 = 3 × 64/75 × 64 = 192/4800
Subtract the two like fractions:
1500/4800 - 192/4800 = 1500 - 192/4800 = 1308/4800
After reducing the fraction, the answer is 109/400

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