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Add 84/27 and 5/21

1st number: 3 3/27, 2nd number: 5/21

84/27 + 5/21 is 211/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 21 is 189

    Next, find the equivalent fraction of both fractional numbers with denominator 189
  2. For the 1st fraction, since 27 × 7 = 189,
    84/27 = 84 × 7/27 × 7 = 588/189
  3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
    5/21 = 5 × 9/21 × 9 = 45/189
  4. Add the two like fractions:
    588/189 + 45/189 = 588 + 45/189 = 633/189
  5. 633/189 simplified gives 211/63
  6. So, 84/27 + 5/21 = 211/63
    In mixed form: 322/63

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