Subtract 27/50 from 10/20
10/20 - 27/50 is -1/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
27/50 = 27 × 2/50 × 2 = 54/100 - Subtract the two like fractions:
50/100 - 54/100 = 50 - 54/100 = -4/100 - After reducing the fraction, the answer is -1/25
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