Subtract 56/42 from 3/27, Solve 3/27

Subtract 56/42 from 3/27

1^st number: 3/27, 2^nd number: 1 14/42

3/27 - 56/42 is -11/9.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
3/27 = 3 × 14/27 × 14 = 42/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
56/42 = 56 × 9/42 × 9 = 504/378
Subtract the two like fractions:
42/378 - 504/378 = 42 - 504/378 = -462/378
After reducing the fraction, the answer is -11/9

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