Subtract 81/36 from 9/24
1st number: 9/24, 2nd number: 2 9/36
9/24 - 81/36 is -15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
9/24 = 9 × 3/24 × 3 = 27/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
81/36 = 81 × 2/36 × 2 = 162/72 - Subtract the two like fractions:
27/72 - 162/72 = 27 - 162/72 = -135/72 - After reducing the fraction, the answer is -15/8
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