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Add 36/4 and 12/21

1st number: 9 0/4, 2nd number: 12/21

36/4 + 12/21 is 67/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    36/4 = 36 × 21/4 × 21 = 756/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    12/21 = 12 × 4/21 × 4 = 48/84
  4. Add the two fractions:
    756/84 + 48/84 = 756 + 48/84 = 804/84
  5. 804/84 simplified gives 67/7
  6. So, 36/4 + 12/21 = 67/7
    In mixed form: 94/7

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