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Add 84/10 and 12/18

1st number: 8 4/10, 2nd number: 12/18

84/10 + 12/18 is 136/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    84/10 = 84 × 9/10 × 9 = 756/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  4. Add the two like fractions:
    756/90 + 60/90 = 756 + 60/90 = 816/90
  5. 816/90 simplified gives 136/15
  6. So, 84/10 + 12/18 = 136/15
    In mixed form: 91/15

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