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Add 6/21 and 30/9

1st number: 6/21, 2nd number: 3 3/9

6/21 + 30/9 is 76/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    6/21 = 6 × 3/21 × 3 = 18/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    30/9 = 30 × 7/9 × 7 = 210/63
  4. Add the two fractions:
    18/63 + 210/63 = 18 + 210/63 = 228/63
  5. After reducing the fraction, the answer is 76/21
  6. In mixed form: 313/21

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