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Add 9/21 and 84/9

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

9/21 + 84/9 is 205/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    9/21 = 9 × 3/21 × 3 = 27/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    84/9 = 84 × 7/9 × 7 = 588/63
  4. Add the two like fractions:
    27/63 + 588/63 = 27 + 588/63 = 615/63
  5. 615/63 simplified gives 205/21
  6. So, 9/21 + 84/9 = 205/21
    In mixed form: 916/21

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