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Subtract 70/75 from 42/18

1st number: 2 6/18, 2nd number: 70/75

42/18 - 70/75 is 7/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 75 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 18 × 25 = 450,
    42/18 = 42 × 25/18 × 25 = 1050/450
  3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
    70/75 = 70 × 6/75 × 6 = 420/450
  4. Subtract the two like fractions:
    1050/450 - 420/450 = 1050 - 420/450 = 630/450
  5. After reducing the fraction, the answer is 7/5
  6. In mixed form: 12/5

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