Subtract 42/5 from 10/32, Solve 10/32

Subtract 42/5 from 10/32

1^st number: 10/32, 2^nd number: 8 2/5

10/32 - 42/5 is -647/80.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 5 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 32 × 5 = 160,
10/32 = 10 × 5/32 × 5 = 50/160
Likewise, for the 2nd fraction, since 5 × 32 = 160,
42/5 = 42 × 32/5 × 32 = 1344/160
Subtract the two like fractions:
50/160 - 1344/160 = 50 - 1344/160 = -1294/160
After reducing the fraction, the answer is -647/80

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