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Add 42/84 and 6/7

42/84 + 6/7 is 19/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    42/84 = 42 × 1/84 × 1 = 42/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    6/7 = 6 × 12/7 × 12 = 72/84
  4. Add the two like fractions:
    42/84 + 72/84 = 42 + 72/84 = 114/84
  5. 114/84 simplified gives 19/14
  6. So, 42/84 + 6/7 = 19/14
    In mixed form: 15/14

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