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Add 40/15 and 4/9

1st number: 2 10/15, 2nd number: 4/9

40/15 + 4/9 is 28/9.

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,
    40/15 = 40 × 3/15 × 3 = 120/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    4/9 = 4 × 5/9 × 5 = 20/45
  4. Add the two fractions:
    120/45 + 20/45 = 120 + 20/45 = 140/45
  5. After reducing the fraction, the answer is 28/9
  6. In mixed form: 31/9

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