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Subtract 9/80 from 84/2

1st number: 42 0/2, 2nd number: 9/80

84/2 - 9/80 is 3351/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 2 × 40 = 80,
    84/2 = 84 × 40/2 × 40 = 3360/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    9/80 = 9 × 1/80 × 1 = 9/80
  4. Subtract the two like fractions:
    3360/80 - 9/80 = 3360 - 9/80 = 3351/80
  5. In mixed form: 4171/80

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