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Add 36/4 and 28/21

1st number: 9 0/4, 2nd number: 1 7/21

36/4 + 28/21 is 31/3.

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,
    28/21 = 28 × 4/21 × 4 = 112/84
  4. Add the two fractions:
    756/84 + 112/84 = 756 + 112/84 = 868/84
  5. 868/84 simplified gives 31/3
  6. So, 36/4 + 28/21 = 31/3
    In mixed form: 101/3

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