Subtract 50/9 from 81/84
1st number: 81/84, 2nd number: 5 5/9
81/84 - 50/9 is -1157/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
81/84 = 81 × 3/84 × 3 = 243/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
50/9 = 50 × 28/9 × 28 = 1400/252 - Subtract the two like fractions:
243/252 - 1400/252 = 243 - 1400/252 = -1157/252
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