Subtract 3/80 from 63/5, Solve 12 3/5

Subtract 3/80 from 63/5

1^st number: 12 3/5, 2^nd number: 3/80

63/5 - 3/80 is 201/16.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 5 × 16 = 80,
63/5 = 63 × 16/5 × 16 = 1008/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80
Subtract the two like fractions:
1008/80 - 3/80 = 1008 - 3/80 = 1005/80
After reducing the fraction, the answer is 201/16
In mixed form: 129/16

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