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Add 2/18 and 15/20

2/18 + 15/20 is 31/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180
  2. For the 1st fraction, since 18 × 10 = 180,
    2/18 = 2 × 10/18 × 10 = 20/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    15/20 = 15 × 9/20 × 9 = 135/180
  4. Add the two fractions:
    20/180 + 135/180 = 20 + 135/180 = 155/180
  5. After reducing the fraction, the answer is 31/36

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