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Add 81/36 and 40/15

1st number: 2 9/36, 2nd number: 2 10/15

81/36 + 40/15 is 59/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 15 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    81/36 = 81 × 5/36 × 5 = 405/180
  3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
    40/15 = 40 × 12/15 × 12 = 480/180
  4. Add the two like fractions:
    405/180 + 480/180 = 405 + 480/180 = 885/180
  5. 885/180 simplified gives 59/12
  6. So, 81/36 + 40/15 = 59/12
    In mixed form: 411/12

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