Subtract 27/20 from 4/32, Solve 4/32

Subtract 27/20 from 4/32

1^st number: 4/32, 2^nd number: 1 7/20

4/32 - 27/20 is -49/40.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 32 × 5 = 160,
4/32 = 4 × 5/32 × 5 = 20/160
Likewise, for the 2nd fraction, since 20 × 8 = 160,
27/20 = 27 × 8/20 × 8 = 216/160
Subtract the two like fractions:
20/160 - 216/160 = 20 - 216/160 = -196/160
After reducing the fraction, the answer is -49/40

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