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Add 18/15 and 4/9

1st number: 1 3/15, 2nd number: 4/9

18/15 + 4/9 is 74/45.

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,
    18/15 = 18 × 3/15 × 3 = 54/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    4/9 = 4 × 5/9 × 5 = 20/45
  4. Add the two fractions:
    54/45 + 20/45 = 54 + 20/45 = 74/45
  5. So, 18/15 + 4/9 = 74/45
    In mixed form: 129/45

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