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Add 63/3 and 42/9

1st number: 21 0/3, 2nd number: 4 6/9

63/3 + 42/9 is 77/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 9 is 9
  2. For the 1st fraction, since 3 × 3 = 9,
    63/3 = 63 × 3/3 × 3 = 189/9
  3. Likewise, for the 2nd fraction, since 9 × 1 = 9,
    42/9 = 42 × 1/9 × 1 = 42/9
  4. Add the two fractions:
    189/9 + 42/9 = 189 + 42/9 = 231/9
  5. After reducing the fraction, the answer is 77/3
  6. In mixed form: 252/3

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