Subtract 15/84 from 16/5, Solve 3 1/5

Subtract 15/84 from 16/5

1^st number: 3 1/5, 2^nd number: 15/84

16/5 - 15/84 is 423/140.

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,
15/84 = 15 × 5/84 × 5 = 75/420
Subtract the two like fractions:
1344/420 - 75/420 = 1344 - 75/420 = 1269/420
After reducing the fraction, the answer is 423/140
In mixed form: 33/140

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