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Subtract 49/18 from 25/80

1st number: 25/80, 2nd number: 2 13/18

25/80 - 49/18 is -347/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    25/80 = 25 × 9/80 × 9 = 225/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    49/18 = 49 × 40/18 × 40 = 1960/720
  4. Subtract the two like fractions:
    225/720 - 1960/720 = 225 - 1960/720 = -1735/720
  5. After reducing the fraction, the answer is -347/144

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