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Add 2/21 and 5/9

2/21 + 5/9 is 41/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    2/21 = 2 × 3/21 × 3 = 6/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    5/9 = 5 × 7/9 × 7 = 35/63
  4. Add the two fractions:
    6/63 + 35/63 = 6 + 35/63 = 41/63

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