Subtract 63/72 from 20/2, Solve 10 0/2

Subtract 63/72 from 20/2

1^st number: 10 0/2, 2^nd number: 63/72

20/2 - 63/72 is 73/8.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
20/2 = 20 × 36/2 × 36 = 720/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72
Subtract the two like fractions:
720/72 - 63/72 = 720 - 63/72 = 657/72
After reducing the fraction, the answer is 73/8
In mixed form: 91/8

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