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Subtract 15/75 from 70/40

1st number: 1 30/40, 2nd number: 15/75

70/40 - 15/75 is 31/20.

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,
    15/75 = 15 × 8/75 × 8 = 120/600
  4. Subtract the two like fractions:
    1050/600 - 120/600 = 1050 - 120/600 = 930/600
  5. After reducing the fraction, the answer is 31/20
  6. In mixed form: 111/20

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