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Add 15/42 and 6/84

15/42 + 6/84 is 3/7.

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,
    15/42 = 15 × 2/42 × 2 = 30/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    6/84 = 6 × 1/84 × 1 = 6/84
  4. Add the two fractions:
    30/84 + 6/84 = 30 + 6/84 = 36/84
  5. 36/84 simplified gives 3/7
  6. So, 15/42 + 6/84 = 3/7

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