Subtract 6/21 from 16/5, Solve 3 1/5

Subtract 6/21 from 16/5

1^st number: 3 1/5, 2^nd number: 6/21

16/5 - 6/21 is 102/35.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 5 × 21 = 105,
16/5 = 16 × 21/5 × 21 = 336/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
6/21 = 6 × 5/21 × 5 = 30/105
Subtract the two like fractions:
336/105 - 30/105 = 336 - 30/105 = 306/105
After reducing the fraction, the answer is 102/35
In mixed form: 232/35

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