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Subtract 9/40 from 84/2

1st number: 42 0/2, 2nd number: 9/40

84/2 - 9/40 is 1671/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 2 × 20 = 40,
    84/2 = 84 × 20/2 × 20 = 1680/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    9/40 = 9 × 1/40 × 1 = 9/40
  4. Subtract the two like fractions:
    1680/40 - 9/40 = 1680 - 9/40 = 1671/40
  5. In mixed form: 4131/40

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