Subtract 18/7 from 63/12, Solve 5 3/12

Subtract 18/7 from 63/12

1^st number: 5 3/12, 2^nd number: 2 4/7

63/12 - 18/7 is 75/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
18/7 = 18 × 12/7 × 12 = 216/84
Subtract the two like fractions:
441/84 - 216/84 = 441 - 216/84 = 225/84
After reducing the fraction, the answer is 75/28
In mixed form: 219/28

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