Subtract 63/28 from 20/27
1st number: 20/27, 2nd number: 2 7/28
20/27 - 63/28 is -163/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
20/27 = 20 × 28/27 × 28 = 560/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
63/28 = 63 × 27/28 × 27 = 1701/756 - Subtract the two like fractions:
560/756 - 1701/756 = 560 - 1701/756 = -1141/756 - After reducing the fraction, the answer is -163/108
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