Subtract 30/27 from 12/16, Solve 12/16

Subtract 30/27 from 12/16

1^st number: 12/16, 2^nd number: 1 3/27

12/16 - 30/27 is -13/36.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 27 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 16 × 27 = 432,
12/16 = 12 × 27/16 × 27 = 324/432
Likewise, for the 2nd fraction, since 27 × 16 = 432,
30/27 = 30 × 16/27 × 16 = 480/432
Subtract the two like fractions:
324/432 - 480/432 = 324 - 480/432 = -156/432
After reducing the fraction, the answer is -13/36

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