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Subtract 80/9 from 10/8

1st number: 1 2/8, 2nd number: 8 8/9

10/8 - 80/9 is -275/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    10/8 = 10 × 9/8 × 9 = 90/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    80/9 = 80 × 8/9 × 8 = 640/72
  4. Subtract the two like fractions:
    90/72 - 640/72 = 90 - 640/72 = -550/72
  5. After reducing the fraction, the answer is -275/36

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