Subtract 54/14 from 81/36
1st number: 2 9/36, 2nd number: 3 12/14
81/36 - 54/14 is -45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 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 14 × 18 = 252,
54/14 = 54 × 18/14 × 18 = 972/252 - Subtract the two like fractions:
567/252 - 972/252 = 567 - 972/252 = -405/252 - After reducing the fraction, the answer is -45/28
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