Subtract 15/25 from 20/60
20/60 - 15/25 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
20/60 = 20 × 5/60 × 5 = 100/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
15/25 = 15 × 12/25 × 12 = 180/300 - Subtract the two like fractions:
100/300 - 180/300 = 100 - 180/300 = -80/300 - After reducing the fraction, the answer is -4/15
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