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Add 84/15 and 15/84

1st number: 5 9/15, 2nd number: 15/84

84/15 + 15/84 is 809/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    84/15 = 84 × 28/15 × 28 = 2352/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    15/84 = 15 × 5/84 × 5 = 75/420
  4. Add the two fractions:
    2352/420 + 75/420 = 2352 + 75/420 = 2427/420
  5. After reducing the fraction, the answer is 809/140
  6. In mixed form: 5109/140

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