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Subtract 3/9 from 70/42

1st number: 1 28/42, 2nd number: 3/9

70/42 - 3/9 is 4/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    70/42 = 70 × 3/42 × 3 = 210/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    3/9 = 3 × 14/9 × 14 = 42/126
  4. Subtract the two fractions:
    210/126 - 42/126 = 210 - 42/126 = 168/126
  5. After reducing the fraction, the answer is 4/3
  6. In mixed form: 11/3

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