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Subtract 30/75 from 70/40

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

70/40 - 30/75 is 27/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 75 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 40 × 15 = 600,
    70/40 = 70 × 15/40 × 15 = 1050/600
  3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
    30/75 = 30 × 8/75 × 8 = 240/600
  4. Subtract the two like fractions:
    1050/600 - 240/600 = 1050 - 240/600 = 810/600
  5. After reducing the fraction, the answer is 27/20
  6. In mixed form: 17/20

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