Subtract 81/9 from 40/18
1st number: 2 4/18, 2nd number: 9 0/9
40/18 - 81/9 is -61/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
40/18 = 40 × 1/18 × 1 = 40/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
81/9 = 81 × 2/9 × 2 = 162/18 - Subtract the two like fractions:
40/18 - 162/18 = 40 - 162/18 = -122/18 - After reducing the fraction, the answer is -61/9
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