Subtract 42/27 from 12/48, Solve 12/48

Subtract 42/27 from 12/48

1^st number: 12/48, 2^nd number: 1 15/27

12/48 - 42/27 is -47/36.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 48 × 9 = 432,
12/48 = 12 × 9/48 × 9 = 108/432
Likewise, for the 2nd fraction, since 27 × 16 = 432,
42/27 = 42 × 16/27 × 16 = 672/432
Subtract the two like fractions:
108/432 - 672/432 = 108 - 672/432 = -564/432
After reducing the fraction, the answer is -47/36

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