Subtract 40/84 from 12/35
12/35 - 40/84 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
12/35 = 12 × 12/35 × 12 = 144/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
40/84 = 40 × 5/84 × 5 = 200/420 - Subtract the two like fractions:
144/420 - 200/420 = 144 - 200/420 = -56/420 - After reducing the fraction, the answer is -2/15
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