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Subtract 70/9 from 3/10

1st number: 3/10, 2nd number: 7 7/9

3/10 - 70/9 is -673/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    3/10 = 3 × 9/10 × 9 = 27/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    70/9 = 70 × 10/9 × 10 = 700/90
  4. Subtract the two like fractions:
    27/90 - 700/90 = 27 - 700/90 = -673/90

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