Subtract 15/12 from 84/9, Solve 9 3/9

Subtract 15/12 from 84/9

1^st number: 9 3/9, 2^nd number: 1 3/12

84/9 - 15/12 is 97/12.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 9 × 4 = 36,
84/9 = 84 × 4/9 × 4 = 336/36
Likewise, for the 2nd fraction, since 12 × 3 = 36,
15/12 = 15 × 3/12 × 3 = 45/36
Subtract the two like fractions:
336/36 - 45/36 = 336 - 45/36 = 291/36
After reducing the fraction, the answer is 97/12
In mixed form: 81/12

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