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Subtract 49/80 from 98/90

1st number: 1 8/90, 2nd number: 49/80

98/90 - 49/80 is 343/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    98/90 = 98 × 8/90 × 8 = 784/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    49/80 = 49 × 9/80 × 9 = 441/720
  4. Subtract the two like fractions:
    784/720 - 441/720 = 784 - 441/720 = 343/720

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