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Add 21/84 and 9/50

21/84 + 9/50 is 43/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 50 is 2100
  2. For the 1st fraction, since 84 × 25 = 2100,
    21/84 = 21 × 25/84 × 25 = 525/2100
  3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
    9/50 = 9 × 42/50 × 42 = 378/2100
  4. Add the two fractions:
    525/2100 + 378/2100 = 525 + 378/2100 = 903/2100
  5. After reducing the fraction, the answer is 43/100

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