Subtract 21/20 from 6/32, Solve 6/32

Subtract 21/20 from 6/32

1^st number: 6/32, 2^nd number: 1 1/20

6/32 - 21/20 is -69/80.

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,
6/32 = 6 × 5/32 × 5 = 30/160
Likewise, for the 2nd fraction, since 20 × 8 = 160,
21/20 = 21 × 8/20 × 8 = 168/160
Subtract the two like fractions:
30/160 - 168/160 = 30 - 168/160 = -138/160
After reducing the fraction, the answer is -69/80

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