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Subtract 70/30 from 40/75

1st number: 40/75, 2nd number: 2 10/30

40/75 - 70/30 is -9/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 30 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 75 × 2 = 150,
    40/75 = 40 × 2/75 × 2 = 80/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    70/30 = 70 × 5/30 × 5 = 350/150
  4. Subtract the two like fractions:
    80/150 - 350/150 = 80 - 350/150 = -270/150
  5. After reducing the fraction, the answer is -9/5

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