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Add 42/84 and 3/54

42/84 + 3/54 is 5/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 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,
    3/54 = 3 × 14/54 × 14 = 42/756
  4. Add the two fractions:
    378/756 + 42/756 = 378 + 42/756 = 420/756
  5. After reducing the fraction, the answer is 5/9

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