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Add 8/42 and 7/84

8/42 + 7/84 is 23/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 84 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    8/42 = 8 × 2/42 × 2 = 16/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    7/84 = 7 × 1/84 × 1 = 7/84
  4. Add the two fractions:
    16/84 + 7/84 = 16 + 7/84 = 23/84

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