Subtract 8/21 from 80/24, Solve 3 8/24

Subtract 8/21 from 80/24

1^st number: 3 8/24, 2^nd number: 8/21

80/24 - 8/21 is 62/21.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
80/24 = 80 × 7/24 × 7 = 560/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
8/21 = 8 × 8/21 × 8 = 64/168
Subtract the two like fractions:
560/168 - 64/168 = 560 - 64/168 = 496/168
After reducing the fraction, the answer is 62/21
In mixed form: 220/21

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