Subtract 42/30 from 7/32, Solve 7/32

Subtract 42/30 from 7/32

1^st number: 7/32, 2^nd number: 1 12/30

7/32 - 42/30 is -189/160.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 32 × 15 = 480,
7/32 = 7 × 15/32 × 15 = 105/480
Likewise, for the 2nd fraction, since 30 × 16 = 480,
42/30 = 42 × 16/30 × 16 = 672/480
Subtract the two like fractions:
105/480 - 672/480 = 105 - 672/480 = -567/480
After reducing the fraction, the answer is -189/160

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