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Subtract 40/21 from 49/12

1st number: 4 1/12, 2nd number: 1 19/21

49/12 - 40/21 is 61/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    49/12 = 49 × 7/12 × 7 = 343/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    40/21 = 40 × 4/21 × 4 = 160/84
  4. Subtract the two like fractions:
    343/84 - 160/84 = 343 - 160/84 = 183/84
  5. After reducing the fraction, the answer is 61/28
  6. In mixed form: 25/28

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