Subtract 30/20 from 8/32, Solve 8/32

Subtract 30/20 from 8/32

1^st number: 8/32, 2^nd number: 1 10/20

8/32 - 30/20 is -5/4.

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,
8/32 = 8 × 5/32 × 5 = 40/160
Likewise, for the 2nd fraction, since 20 × 8 = 160,
30/20 = 30 × 8/20 × 8 = 240/160
Subtract the two like fractions:
40/160 - 240/160 = 40 - 240/160 = -200/160
After reducing the fraction, the answer is -5/4

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