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Add 81/36 and 18/90

1st number: 2 9/36, 2nd number: 18/90

81/36 + 18/90 is 49/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 90 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 90 × 2 = 180,
    18/90 = 18 × 2/90 × 2 = 36/180
  4. Add the two like fractions:
    405/180 + 36/180 = 405 + 36/180 = 441/180
  5. 441/180 simplified gives 49/20
  6. So, 81/36 + 18/90 = 49/20
    In mixed form: 29/20

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