Subtract 56/84 from 72/9, Solve 8 0/9

Subtract 56/84 from 72/9

1^st number: 8 0/9, 2^nd number: 56/84

72/9 - 56/84 is 22/3.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 9 × 28 = 252,
72/9 = 72 × 28/9 × 28 = 2016/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
56/84 = 56 × 3/84 × 3 = 168/252
Subtract the two like fractions:
2016/252 - 168/252 = 2016 - 168/252 = 1848/252
After reducing the fraction, the answer is 22/3
In mixed form: 71/3

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