Subtract 50/7 from 81/36
1st number: 2 9/36, 2nd number: 7 1/7
81/36 - 50/7 is -137/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
50/7 = 50 × 36/7 × 36 = 1800/252 - Subtract the two like fractions:
567/252 - 1800/252 = 567 - 1800/252 = -1233/252 - After reducing the fraction, the answer is -137/28
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