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Add 20/9 and 21/84

1st number: 2 2/9, 2nd number: 21/84

20/9 + 21/84 is 89/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 84 is 252
  2. For the 1st fraction, since 9 × 28 = 252,
    20/9 = 20 × 28/9 × 28 = 560/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    21/84 = 21 × 3/84 × 3 = 63/252
  4. Add the two fractions:
    560/252 + 63/252 = 560 + 63/252 = 623/252
  5. After reducing the fraction, the answer is 89/36
  6. In mixed form: 217/36

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