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Add 20/3 and 21/84

1st number: 6 2/3, 2nd number: 21/84

20/3 + 21/84 is 83/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 84 is 84
  2. For the 1st fraction, since 3 × 28 = 84,
    20/3 = 20 × 28/3 × 28 = 560/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    21/84 = 21 × 1/84 × 1 = 21/84
  4. Add the two fractions:
    560/84 + 21/84 = 560 + 21/84 = 581/84
  5. After reducing the fraction, the answer is 83/12
  6. In mixed form: 611/12

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