Subtract 72/21 from 24/3, Solve 8 0/3

Subtract 72/21 from 24/3

1^st number: 8 0/3, 2^nd number: 3 9/21

24/3 - 72/21 is 32/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
24/3 = 24 × 7/3 × 7 = 168/21
Likewise, for the 2nd fraction, since 21 × 1 = 21,
72/21 = 72 × 1/21 × 1 = 72/21
Subtract the two like fractions:
168/21 - 72/21 = 168 - 72/21 = 96/21
After reducing the fraction, the answer is 32/7
In mixed form: 44/7

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