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Subtract 98/9 from 27/80

1st number: 27/80, 2nd number: 10 8/9

27/80 - 98/9 is -7597/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720
  2. For the 1st fraction, since 80 × 9 = 720,
    27/80 = 27 × 9/80 × 9 = 243/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    98/9 = 98 × 80/9 × 80 = 7840/720
  4. Subtract the two fractions:
    243/720 - 7840/720 = 243 - 7840/720 = -7597/720

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