Subtract 18/15 from 45/60
1st number: 45/60, 2nd number: 1 3/15
45/60 - 18/15 is -9/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
18/15 = 18 × 4/15 × 4 = 72/60 - Subtract the two like fractions:
45/60 - 72/60 = 45 - 72/60 = -27/60 - After reducing the fraction, the answer is -9/20
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