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Add 4/30 and 3/9

4/30 + 3/9 is 7/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 9 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    4/30 = 4 × 3/30 × 3 = 12/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    3/9 = 3 × 10/9 × 10 = 30/90
  4. Add the two fractions:
    12/90 + 30/90 = 12 + 30/90 = 42/90
  5. After reducing the fraction, the answer is 7/15

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