Subtract 1/30 from 20/32
20/32 - 1/30 is 71/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
20/32 = 20 × 15/32 × 15 = 300/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
1/30 = 1 × 16/30 × 16 = 16/480 - Subtract the two like fractions:
300/480 - 16/480 = 300 - 16/480 = 284/480 - After reducing the fraction, the answer is 71/120
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