Subtract 8/12 from 63/18, Solve 3 9/18

Subtract 8/12 from 63/18

1^st number: 3 9/18, 2^nd number: 8/12

63/18 - 8/12 is 17/6.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
8/12 = 8 × 3/12 × 3 = 24/36
Subtract the two like fractions:
126/36 - 24/36 = 126 - 24/36 = 102/36
After reducing the fraction, the answer is 17/6
In mixed form: 25/6

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