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Add 4/18 and 21/36

4/18 + 21/36 is 29/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 36 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    4/18 = 4 × 2/18 × 2 = 8/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    21/36 = 21 × 1/36 × 1 = 21/36
  4. Add the two fractions:
    8/36 + 21/36 = 8 + 21/36 = 29/36

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