Subtract 40/49 from 70/84
70/84 - 40/49 is 5/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
70/84 = 70 × 7/84 × 7 = 490/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
40/49 = 40 × 12/49 × 12 = 480/588 - Subtract the two like fractions:
490/588 - 480/588 = 490 - 480/588 = 10/588 - After reducing the fraction, the answer is 5/294
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