Subtract 20/50 from 7/25
7/25 - 20/50 is -3/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
7/25 = 7 × 2/25 × 2 = 14/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Subtract the two like fractions:
14/50 - 20/50 = 14 - 20/50 = -6/50 - After reducing the fraction, the answer is -3/25
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