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Subtract 80/8 from 1/9

1st number: 1/9, 2nd number: 10 0/8

1/9 - 80/8 is -89/9.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 9 × 8 = 72,
    1/9 = 1 × 8/9 × 8 = 8/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    80/8 = 80 × 9/8 × 9 = 720/72
  4. Subtract the two like fractions:
    8/72 - 720/72 = 8 - 720/72 = -712/72
  5. After reducing the fraction, the answer is -89/9

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