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Add 21/6 and 30/8

1st number: 3 3/6, 2nd number: 3 6/8

21/6 + 30/8 is 29/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 8 is 24
  2. For the 1st fraction, since 6 × 4 = 24,
    21/6 = 21 × 4/6 × 4 = 84/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    30/8 = 30 × 3/8 × 3 = 90/24
  4. Add the two fractions:
    84/24 + 90/24 = 84 + 90/24 = 174/24
  5. After reducing the fraction, the answer is 29/4
  6. In mixed form: 71/4

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