Subtract 50/27 from 81/84
1st number: 81/84, 2nd number: 1 23/27
81/84 - 50/27 is -671/756.
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,
81/84 = 81 × 9/84 × 9 = 729/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
50/27 = 50 × 28/27 × 28 = 1400/756 - Subtract the two like fractions:
729/756 - 1400/756 = 729 - 1400/756 = -671/756
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