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Add 2/10 and 2/9

2/10 + 2/9 is 19/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 9 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    2/10 = 2 × 9/10 × 9 = 18/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    2/9 = 2 × 10/9 × 10 = 20/90
  4. Add the two fractions:
    18/90 + 20/90 = 18 + 20/90 = 38/90
  5. After reducing the fraction, the answer is 19/45

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