Subtract 4/32 from 15/20, Solve 15/20

Subtract 4/32 from 15/20

15/20 - 4/32 is 5/8.

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

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 20 × 8 = 160,
15/20 = 15 × 8/20 × 8 = 120/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
4/32 = 4 × 5/32 × 5 = 20/160
Subtract the two like fractions:
120/160 - 20/160 = 120 - 20/160 = 100/160
After reducing the fraction, the answer is 5/8

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