Subtract 42/27 from 56/48, Solve 1 8/48

Subtract 42/27 from 56/48

1^st number: 1 8/48, 2^nd number: 1 15/27

56/48 - 42/27 is -7/18.

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,
56/48 = 56 × 9/48 × 9 = 504/432
Likewise, for the 2nd fraction, since 27 × 16 = 432,
42/27 = 42 × 16/27 × 16 = 672/432
Subtract the two like fractions:
504/432 - 672/432 = 504 - 672/432 = -168/432
After reducing the fraction, the answer is -7/18

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