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Add 4/15 and 7/9

4/15 + 7/9 is 47/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    4/15 = 4 × 3/15 × 3 = 12/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Add the two fractions:
    12/45 + 35/45 = 12 + 35/45 = 47/45
  5. In mixed form: 12/45

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