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Add 36/12 and 9/21

1st number: 3 0/12, 2nd number: 9/21

36/12 + 9/21 is 24/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    36/12 = 36 × 7/12 × 7 = 252/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    9/21 = 9 × 4/21 × 4 = 36/84
  4. Add the two like fractions:
    252/84 + 36/84 = 252 + 36/84 = 288/84
  5. 288/84 simplified gives 24/7
  6. So, 36/12 + 9/21 = 24/7
    In mixed form: 33/7

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