Subtract 84/12 from 15/81
1st number: 15/81, 2nd number: 7 0/12
15/81 - 84/12 is -184/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
15/81 = 15 × 4/81 × 4 = 60/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
84/12 = 84 × 27/12 × 27 = 2268/324 - Subtract the two like fractions:
60/324 - 2268/324 = 60 - 2268/324 = -2208/324 - After reducing the fraction, the answer is -184/27
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