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Add 81/18 and 10/15

1st number: 4 9/18, 2nd number: 10/15

81/18 + 10/15 is 31/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 15 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    81/18 = 81 × 5/18 × 5 = 405/90
  3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
    10/15 = 10 × 6/15 × 6 = 60/90
  4. Add the two like fractions:
    405/90 + 60/90 = 405 + 60/90 = 465/90
  5. 465/90 simplified gives 31/6
  6. So, 81/18 + 10/15 = 31/6
    In mixed form: 51/6

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