Subtract 4/80 from 72/5, Solve 14 2/5

Subtract 4/80 from 72/5

1^st number: 14 2/5, 2^nd number: 4/80

72/5 - 4/80 is 287/20.

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,
72/5 = 72 × 16/5 × 16 = 1152/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80
Subtract the two like fractions:
1152/80 - 4/80 = 1152 - 4/80 = 1148/80
After reducing the fraction, the answer is 287/20
In mixed form: 147/20

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