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Add 42/84 and 12/18

42/84 + 12/18 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    42/84 = 42 × 3/84 × 3 = 126/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    12/18 = 12 × 14/18 × 14 = 168/252
  4. Add the two like fractions:
    126/252 + 168/252 = 126 + 168/252 = 294/252
  5. 294/252 simplified gives 7/6
  6. So, 42/84 + 12/18 = 7/6
    In mixed form: 11/6

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