Subtract 10/20 from 12/25
12/25 - 10/20 is -1/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
12/25 = 12 × 4/25 × 4 = 48/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Subtract the two like fractions:
48/100 - 50/100 = 48 - 50/100 = -2/100 - After reducing the fraction, the answer is -1/50
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