Subtract 18/80 from 25/50
25/50 - 18/80 is 11/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
25/50 = 25 × 8/50 × 8 = 200/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
18/80 = 18 × 5/80 × 5 = 90/400 - Subtract the two like fractions:
200/400 - 90/400 = 200 - 90/400 = 110/400 - After reducing the fraction, the answer is 11/40
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