Subtract 25/20 from 12/15
1st number: 12/15, 2nd number: 1 5/20
12/15 - 25/20 is -9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
25/20 = 25 × 3/20 × 3 = 75/60 - Subtract the two like fractions:
48/60 - 75/60 = 48 - 75/60 = -27/60 - After reducing the fraction, the answer is -9/20
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