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Subtract 70/30 from 20/75

1st number: 20/75, 2nd number: 2 10/30

20/75 - 70/30 is -31/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 30 is 150
  2. For the 1st fraction, since 75 × 2 = 150,
    20/75 = 20 × 2/75 × 2 = 40/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    70/30 = 70 × 5/30 × 5 = 350/150
  4. Subtract the two fractions:
    40/150 - 350/150 = 40 - 350/150 = -310/150
  5. After reducing the fraction, the answer is -31/15

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