Subtract 3/36 from 84/7, Solve 12 0/7

Subtract 3/36 from 84/7

1^st number: 12 0/7, 2^nd number: 3/36

84/7 - 3/36 is 143/12.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 7 × 36 = 252,
84/7 = 84 × 36/7 × 36 = 3024/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
3/36 = 3 × 7/36 × 7 = 21/252
Subtract the two like fractions:
3024/252 - 21/252 = 3024 - 21/252 = 3003/252
After reducing the fraction, the answer is 143/12
In mixed form: 1111/12

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