Subtract 63/27 from 12/14, Solve 12/14

Subtract 63/27 from 12/14

1^st number: 12/14, 2^nd number: 2 9/27

12/14 - 63/27 is -31/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
12/14 = 12 × 27/14 × 27 = 324/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
63/27 = 63 × 14/27 × 14 = 882/378
Subtract the two like fractions:
324/378 - 882/378 = 324 - 882/378 = -558/378
After reducing the fraction, the answer is -31/21

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