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Subtract 18/49 from 40/12

1st number: 3 4/12, 2nd number: 18/49

40/12 - 18/49 is 436/147.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588
  2. For the 1st fraction, since 12 × 49 = 588,
    40/12 = 40 × 49/12 × 49 = 1960/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    18/49 = 18 × 12/49 × 12 = 216/588
  4. Subtract the two fractions:
    1960/588 - 216/588 = 1960 - 216/588 = 1744/588
  5. After reducing the fraction, the answer is 436/147
  6. In mixed form: 2142/147

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