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Subtract 70/9 from 9/18

1st number: 9/18, 2nd number: 7 7/9

9/18 - 70/9 is -131/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    9/18 = 9 × 1/18 × 1 = 9/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    70/9 = 70 × 2/9 × 2 = 140/18
  4. Subtract the two like fractions:
    9/18 - 140/18 = 9 - 140/18 = -131/18

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