Subtract 5/10 from 21/64, Solve 21/64

Subtract 5/10 from 21/64

21/64 - 5/10 is -11/64.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 10 is 320

Next, find the equivalent fraction of both fractional numbers with denominator 320
For the 1st fraction, since 64 × 5 = 320,
21/64 = 21 × 5/64 × 5 = 105/320
Likewise, for the 2nd fraction, since 10 × 32 = 320,
5/10 = 5 × 32/10 × 32 = 160/320
Subtract the two like fractions:
105/320 - 160/320 = 105 - 160/320 = -55/320
After reducing the fraction, the answer is -11/64

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