Subtract 20/84 from 28/27
1st number: 1 1/27, 2nd number: 20/84
28/27 - 20/84 is 151/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
28/27 = 28 × 28/27 × 28 = 784/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
20/84 = 20 × 9/84 × 9 = 180/756 - Subtract the two like fractions:
784/756 - 180/756 = 784 - 180/756 = 604/756 - After reducing the fraction, the answer is 151/189
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