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Subtract 1/84 from 42/2

1st number: 21 0/2, 2nd number: 1/84

42/2 - 1/84 is 1763/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 2 × 42 = 84,
    42/2 = 42 × 42/2 × 42 = 1764/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    1/84 = 1 × 1/84 × 1 = 1/84
  4. Subtract the two like fractions:
    1764/84 - 1/84 = 1764 - 1/84 = 1763/84
  5. In mixed form: 2083/84

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