Subtract 90/84 from 16/5, Solve 3 1/5

Subtract 90/84 from 16/5

1^st number: 3 1/5, 2^nd number: 1 6/84

16/5 - 90/84 is 149/70.

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,
16/5 = 16 × 84/5 × 84 = 1344/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420
Subtract the two like fractions:
1344/420 - 450/420 = 1344 - 450/420 = 894/420
After reducing the fraction, the answer is 149/70
In mixed form: 29/70

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