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Add 30/9 and 21/30

1st number: 3 3/9, 2nd number: 21/30

30/9 + 21/30 is 121/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 9 × 10 = 90,
    30/9 = 30 × 10/9 × 10 = 300/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    21/30 = 21 × 3/30 × 3 = 63/90
  4. Add the two like fractions:
    300/90 + 63/90 = 300 + 63/90 = 363/90
  5. 363/90 simplified gives 121/30
  6. So, 30/9 + 21/30 = 121/30
    In mixed form: 41/30

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