Subtract 16/84 from 75/5, Solve 15 0/5

Subtract 16/84 from 75/5

1^st number: 15 0/5, 2^nd number: 16/84

75/5 - 16/84 is 311/21.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 5 × 84 = 420,
75/5 = 75 × 84/5 × 84 = 6300/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
16/84 = 16 × 5/84 × 5 = 80/420
Subtract the two like fractions:
6300/420 - 80/420 = 6300 - 80/420 = 6220/420
After reducing the fraction, the answer is 311/21
In mixed form: 1417/21

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