Subtract 18/9 from 4/64, Solve 4/64

Subtract 18/9 from 4/64

1^st number: 4/64, 2^nd number: 2 0/9

4/64 - 18/9 is -31/16.

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576

Next, find the equivalent fraction of both fractional numbers with denominator 576
For the 1st fraction, since 64 × 9 = 576,
4/64 = 4 × 9/64 × 9 = 36/576
Likewise, for the 2nd fraction, since 9 × 64 = 576,
18/9 = 18 × 64/9 × 64 = 1152/576
Subtract the two like fractions:
36/576 - 1152/576 = 36 - 1152/576 = -1116/576
After reducing the fraction, the answer is -31/16

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