Subtract 9/64 from 10/20, Solve 10/20

Subtract 9/64 from 10/20

10/20 - 9/64 is 23/64.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320

Next, find the equivalent fraction of both fractional numbers with denominator 320
For the 1st fraction, since 20 × 16 = 320,
10/20 = 10 × 16/20 × 16 = 160/320
Likewise, for the 2nd fraction, since 64 × 5 = 320,
9/64 = 9 × 5/64 × 5 = 45/320
Subtract the two like fractions:
160/320 - 45/320 = 160 - 45/320 = 115/320
After reducing the fraction, the answer is 23/64

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