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Add 42/84 and 45/54

42/84 + 45/54 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 84 × 9 = 756,
    42/84 = 42 × 9/84 × 9 = 378/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    45/54 = 45 × 14/54 × 14 = 630/756
  4. Add the two like fractions:
    378/756 + 630/756 = 378 + 630/756 = 1008/756
  5. 1008/756 simplified gives 4/3
  6. So, 42/84 + 45/54 = 4/3
    In mixed form: 11/3

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