Subtract 42/32 from 4/18, Solve 4/18

Subtract 42/32 from 4/18

1^st number: 4/18, 2^nd number: 1 10/32

4/18 - 42/32 is -157/144.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 18 × 16 = 288,
4/18 = 4 × 16/18 × 16 = 64/288
Likewise, for the 2nd fraction, since 32 × 9 = 288,
42/32 = 42 × 9/32 × 9 = 378/288
Subtract the two like fractions:
64/288 - 378/288 = 64 - 378/288 = -314/288
After reducing the fraction, the answer is -157/144

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