Subtract 21/36 from 30/14, Solve 2 2/14

Subtract 21/36 from 30/14

1^st number: 2 2/14, 2^nd number: 21/36

30/14 - 21/36 is 131/84.

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,
30/14 = 30 × 18/14 × 18 = 540/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252
Subtract the two like fractions:
540/252 - 147/252 = 540 - 147/252 = 393/252
After reducing the fraction, the answer is 131/84
In mixed form: 147/84

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