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Add 84/21 and 6/9

1st number: 4 0/21, 2nd number: 6/9

84/21 + 6/9 is 14/3.

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,
    84/21 = 84 × 3/21 × 3 = 252/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    6/9 = 6 × 7/9 × 7 = 42/63
  4. Add the two fractions:
    252/63 + 42/63 = 252 + 42/63 = 294/63
  5. After reducing the fraction, the answer is 14/3
  6. In mixed form: 42/3

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