Subtract 8/84 from 27/9, Solve 3 0/9

Subtract 8/84 from 27/9

1^st number: 3 0/9, 2^nd number: 8/84

27/9 - 8/84 is 61/21.

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,
27/9 = 27 × 28/9 × 28 = 756/252
Likewise, for the 2nd fraction, since 84 × 3 = 252,
8/84 = 8 × 3/84 × 3 = 24/252
Subtract the two like fractions:
756/252 - 24/252 = 756 - 24/252 = 732/252
After reducing the fraction, the answer is 61/21
In mixed form: 219/21

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