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Subtract 49/40 from 32/84

1st number: 32/84, 2nd number: 1 9/40

32/84 - 49/40 is -709/840.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 84 × 10 = 840,
    32/84 = 32 × 10/84 × 10 = 320/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    49/40 = 49 × 21/40 × 21 = 1029/840
  4. Subtract the two like fractions:
    320/840 - 1029/840 = 320 - 1029/840 = -709/840

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