Subtract 60/5 from 16/21, Solve 16/21

Subtract 60/5 from 16/21

1^st number: 16/21, 2^nd number: 12 0/5

16/21 - 60/5 is -236/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
16/21 = 16 × 5/21 × 5 = 80/105
Likewise, for the 2nd fraction, since 5 × 21 = 105,
60/5 = 60 × 21/5 × 21 = 1260/105
Subtract the two like fractions:
80/105 - 1260/105 = 80 - 1260/105 = -1180/105
After reducing the fraction, the answer is -236/21

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