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Add 6/15 and 18/9

1st number: 6/15, 2nd number: 2 0/9

6/15 + 18/9 is 12/5.

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,
    6/15 = 6 × 3/15 × 3 = 18/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    18/9 = 18 × 5/9 × 5 = 90/45
  4. Add the two fractions:
    18/45 + 90/45 = 18 + 90/45 = 108/45
  5. 108/45 simplified gives 12/5
  6. So, 6/15 + 18/9 = 12/5
    In mixed form: 22/5

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