Subtract 28/27 from 5/15
1st number: 5/15, 2nd number: 1 1/27
5/15 - 28/27 is -19/27.
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,
5/15 = 5 × 9/15 × 9 = 45/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
28/27 = 28 × 5/27 × 5 = 140/135 - Subtract the two like fractions:
45/135 - 140/135 = 45 - 140/135 = -95/135 - After reducing the fraction, the answer is -19/27
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