Subtract 40/12 from 9/18
1st number: 9/18, 2nd number: 3 4/12
9/18 - 40/12 is -17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
40/12 = 40 × 3/12 × 3 = 120/36 - Subtract the two like fractions:
18/36 - 120/36 = 18 - 120/36 = -102/36 - After reducing the fraction, the answer is -17/6
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