Subtract 81/28 from 63/12, Solve 5 3/12

Subtract 81/28 from 63/12

1^st number: 5 3/12, 2^nd number: 2 25/28

63/12 - 81/28 is 33/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 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 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84
Subtract the two like fractions:
441/84 - 243/84 = 441 - 243/84 = 198/84
After reducing the fraction, the answer is 33/14
In mixed form: 25/14

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