Subtract 28/27 from 15/84
1st number: 15/84, 2nd number: 1 1/27
15/84 - 28/27 is -649/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
15/84 = 15 × 9/84 × 9 = 135/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
28/27 = 28 × 28/27 × 28 = 784/756 - Subtract the two like fractions:
135/756 - 784/756 = 135 - 784/756 = -649/756
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