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Subtract 70/9 from 84/30

1st number: 2 24/30, 2nd number: 7 7/9

84/30 - 70/9 is -224/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    84/30 = 84 × 3/30 × 3 = 252/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    70/9 = 70 × 10/9 × 10 = 700/90
  4. Subtract the two fractions:
    252/90 - 700/90 = 252 - 700/90 = -448/90
  5. After reducing the fraction, the answer is -224/45

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