Subtract 4/32 from 20/30, Solve 20/30

Subtract 4/32 from 20/30

20/30 - 4/32 is 13/24.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480

Next, find the equivalent fraction of both fractional numbers with denominator 480
For the 1st fraction, since 30 × 16 = 480,
20/30 = 20 × 16/30 × 16 = 320/480
Likewise, for the 2nd fraction, since 32 × 15 = 480,
4/32 = 4 × 15/32 × 15 = 60/480
Subtract the two like fractions:
320/480 - 60/480 = 320 - 60/480 = 260/480
After reducing the fraction, the answer is 13/24

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