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Add 49/21 and 12/9

1st number: 2 7/21, 2nd number: 1 3/9

49/21 + 12/9 is 11/3.

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,
    49/21 = 49 × 3/21 × 3 = 147/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    12/9 = 12 × 7/9 × 7 = 84/63
  4. Add the two fractions:
    147/63 + 84/63 = 147 + 84/63 = 231/63
  5. 231/63 simplified gives 11/3
  6. So, 49/21 + 12/9 = 11/3
    In mixed form: 32/3

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