Subtract 45/27 from 28/84
1st number: 28/84, 2nd number: 1 18/27
28/84 - 45/27 is -4/3.
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,
28/84 = 28 × 9/84 × 9 = 252/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
45/27 = 45 × 28/27 × 28 = 1260/756 - Subtract the two like fractions:
252/756 - 1260/756 = 252 - 1260/756 = -1008/756 - After reducing the fraction, the answer is -4/3
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