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Subtract 70/30 from 90/50

1st number: 1 40/50, 2nd number: 2 10/30

90/50 - 70/30 is -8/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 30 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 50 × 3 = 150,
    90/50 = 90 × 3/50 × 3 = 270/150
  3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
    70/30 = 70 × 5/30 × 5 = 350/150
  4. Subtract the two like fractions:
    270/150 - 350/150 = 270 - 350/150 = -80/150
  5. After reducing the fraction, the answer is -8/15

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