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Add 42/50 and 3/84

42/50 + 3/84 is 613/700.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100
  2. For the 1st fraction, since 50 × 42 = 2100,
    42/50 = 42 × 42/50 × 42 = 1764/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    3/84 = 3 × 25/84 × 25 = 75/2100
  4. Add the two fractions:
    1764/2100 + 75/2100 = 1764 + 75/2100 = 1839/2100
  5. After reducing the fraction, the answer is 613/700

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