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Add 30/9 and 21/4

1st number: 3 3/9, 2nd number: 5 1/4

30/9 + 21/4 is 103/12.

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,
    30/9 = 30 × 4/9 × 4 = 120/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    21/4 = 21 × 9/4 × 9 = 189/36
  4. Add the two like fractions:
    120/36 + 189/36 = 120 + 189/36 = 309/36
  5. 309/36 simplified gives 103/12
  6. So, 30/9 + 21/4 = 103/12
    In mixed form: 87/12

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