Subtract 3/9 from 15/60
15/60 - 3/9 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
3/9 = 3 × 20/9 × 20 = 60/180 - Subtract the two like fractions:
45/180 - 60/180 = 45 - 60/180 = -15/180 - After reducing the fraction, the answer is -1/12
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