Subtract 40/63 from 2/84
2/84 - 40/63 is -11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
2/84 = 2 × 3/84 × 3 = 6/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Subtract the two like fractions:
6/252 - 160/252 = 6 - 160/252 = -154/252 - After reducing the fraction, the answer is -11/18
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