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Add 42/50 and 9/84

42/50 + 9/84 is 663/700.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    9/84 = 9 × 25/84 × 25 = 225/2100
  4. Add the two like fractions:
    1764/2100 + 225/2100 = 1764 + 225/2100 = 1989/2100
  5. 1989/2100 simplified gives 663/700
  6. So, 42/50 + 9/84 = 663/700

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