Subtract 20/40 from 18/25
18/25 - 20/40 is 11/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
18/25 = 18 × 8/25 × 8 = 144/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
20/40 = 20 × 5/40 × 5 = 100/200 - Subtract the two like fractions:
144/200 - 100/200 = 144 - 100/200 = 44/200 - After reducing the fraction, the answer is 11/50
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