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Subtract 80/42 from 9/3

1st number: 3 0/3, 2nd number: 1 38/42

9/3 - 80/42 is 23/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 3 × 14 = 42,
    9/3 = 9 × 14/3 × 14 = 126/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    80/42 = 80 × 1/42 × 1 = 80/42
  4. Subtract the two like fractions:
    126/42 - 80/42 = 126 - 80/42 = 46/42
  5. After reducing the fraction, the answer is 23/21
  6. In mixed form: 12/21

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