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Subtract 70/18 from 36/30

1st number: 1 6/30, 2nd number: 3 16/18

36/30 - 70/18 is -121/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    36/30 = 36 × 3/30 × 3 = 108/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    70/18 = 70 × 5/18 × 5 = 350/90
  4. Subtract the two like fractions:
    108/90 - 350/90 = 108 - 350/90 = -242/90
  5. After reducing the fraction, the answer is -121/45

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