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Add 18/28 and 4/9

18/28 + 4/9 is 137/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    18/28 = 18 × 9/28 × 9 = 162/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    4/9 = 4 × 28/9 × 28 = 112/252
  4. Add the two like fractions:
    162/252 + 112/252 = 162 + 112/252 = 274/252
  5. 274/252 simplified gives 137/126
  6. So, 18/28 + 4/9 = 137/126
    In mixed form: 111/126

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