Subtract 42/16 from 8/27, Solve 8/27

Subtract 42/16 from 8/27

1^st number: 8/27, 2^nd number: 2 10/16

8/27 - 42/16 is -503/216.

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

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 27 × 16 = 432,
8/27 = 8 × 16/27 × 16 = 128/432
Likewise, for the 2nd fraction, since 16 × 27 = 432,
42/16 = 42 × 27/16 × 27 = 1134/432
Subtract the two like fractions:
128/432 - 1134/432 = 128 - 1134/432 = -1006/432
After reducing the fraction, the answer is -503/216

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