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Subtract 7/3 from 9/42

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

9/42 - 7/3 is -89/42.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    9/42 = 9 × 1/42 × 1 = 9/42
  3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
    7/3 = 7 × 14/3 × 14 = 98/42
  4. Subtract the two like fractions:
    9/42 - 98/42 = 9 - 98/42 = -89/42

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