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Subtract 81/84 from 42/6

1st number: 7 0/6, 2nd number: 81/84

42/6 - 81/84 is 169/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 6 × 14 = 84,
    42/6 = 42 × 14/6 × 14 = 588/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    81/84 = 81 × 1/84 × 1 = 81/84
  4. Subtract the two like fractions:
    588/84 - 81/84 = 588 - 81/84 = 507/84
  5. After reducing the fraction, the answer is 169/28
  6. In mixed form: 61/28

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