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Add 21/9 and 27/4

1st number: 2 3/9, 2nd number: 6 3/4

21/9 + 27/4 is 109/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    21/9 = 21 × 4/9 × 4 = 84/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    27/4 = 27 × 9/4 × 9 = 243/36
  4. Add the two like fractions:
    84/36 + 243/36 = 84 + 243/36 = 327/36
  5. 327/36 simplified gives 109/12
  6. So, 21/9 + 27/4 = 109/12
    In mixed form: 91/12

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