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Add 8/15 and 21/9

1st number: 8/15, 2nd number: 2 3/9

8/15 + 21/9 is 43/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    8/15 = 8 × 3/15 × 3 = 24/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    21/9 = 21 × 5/9 × 5 = 105/45
  4. Add the two like fractions:
    24/45 + 105/45 = 24 + 105/45 = 129/45
  5. 129/45 simplified gives 43/15
  6. So, 8/15 + 21/9 = 43/15
    In mixed form: 213/15

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