Subtract 7/40 from 63/12, Solve 5 3/12

Subtract 7/40 from 63/12

1^st number: 5 3/12, 2^nd number: 7/40

63/12 - 7/40 is 203/40.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 12 × 10 = 120,
63/12 = 63 × 10/12 × 10 = 630/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120
Subtract the two like fractions:
630/120 - 21/120 = 630 - 21/120 = 609/120
After reducing the fraction, the answer is 203/40
In mixed form: 53/40

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