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Add 20/84 and 18/9

1st number: 20/84, 2nd number: 2 0/9

20/84 + 18/9 is 47/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252
  2. For the 1st fraction, since 84 × 3 = 252,
    20/84 = 20 × 3/84 × 3 = 60/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    18/9 = 18 × 28/9 × 28 = 504/252
  4. Add the two fractions:
    60/252 + 504/252 = 60 + 504/252 = 564/252
  5. 564/252 simplified gives 47/21
  6. So, 20/84 + 18/9 = 47/21
    In mixed form: 25/21

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