Subtract 45/27 from 12/15
1st number: 12/15, 2nd number: 1 18/27
12/15 - 45/27 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
12/15 = 12 × 9/15 × 9 = 108/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
45/27 = 45 × 5/27 × 5 = 225/135 - Subtract the two like fractions:
108/135 - 225/135 = 108 - 225/135 = -117/135 - After reducing the fraction, the answer is -13/15
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