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Add 84/15 and 18/12

1st number: 5 9/15, 2nd number: 1 6/12

84/15 + 18/12 is 71/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    84/15 = 84 × 4/15 × 4 = 336/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  4. Add the two fractions:
    336/60 + 90/60 = 336 + 90/60 = 426/60
  5. After reducing the fraction, the answer is 71/10
  6. In mixed form: 71/10

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