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Add 3/4 and 12/9

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

3/4 + 12/9 is 25/12.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 4 × 9 = 36,
    3/4 = 3 × 9/4 × 9 = 27/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    12/9 = 12 × 4/9 × 4 = 48/36
  4. Add the two like fractions:
    27/36 + 48/36 = 27 + 48/36 = 75/36
  5. 75/36 simplified gives 25/12
  6. So, 3/4 + 12/9 = 25/12
    In mixed form: 21/12

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