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Add 9/18 and 45/84

9/18 + 45/84 is 29/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    9/18 = 9 × 14/18 × 14 = 126/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    45/84 = 45 × 3/84 × 3 = 135/252
  4. Add the two like fractions:
    126/252 + 135/252 = 126 + 135/252 = 261/252
  5. 261/252 simplified gives 29/28
  6. So, 9/18 + 45/84 = 29/28
    In mixed form: 11/28

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