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Subtract 9/49 from 40/84

40/84 - 9/49 is 43/147.

Steps for subtracting fractions

  1. 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
  2. For the 1st fraction, since 84 × 7 = 588,
    40/84 = 40 × 7/84 × 7 = 280/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    9/49 = 9 × 12/49 × 12 = 108/588
  4. Subtract the two like fractions:
    280/588 - 108/588 = 280 - 108/588 = 172/588
  5. After reducing the fraction, the answer is 43/147

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