Subtract 20/24 from 15/60
15/60 - 20/24 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
15/60 = 15 × 2/60 × 2 = 30/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Subtract the two like fractions:
30/120 - 100/120 = 30 - 100/120 = -70/120 - After reducing the fraction, the answer is -7/12
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