Subtract 30/36 from 27/14, Solve 1 13/14

Subtract 30/36 from 27/14

1^st number: 1 13/14, 2^nd number: 30/36

27/14 - 30/36 is 23/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 14 × 18 = 252,
27/14 = 27 × 18/14 × 18 = 486/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252
Subtract the two like fractions:
486/252 - 210/252 = 486 - 210/252 = 276/252
After reducing the fraction, the answer is 23/21
In mixed form: 12/21

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