Subtract 28/80 from 28/16, Solve 1 12/16

Subtract 28/80 from 28/16

1^st number: 1 12/16, 2^nd number: 28/80

28/16 - 28/80 is 7/5.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80
Subtract the two like fractions:
140/80 - 28/80 = 140 - 28/80 = 112/80
After reducing the fraction, the answer is 7/5
In mixed form: 12/5

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