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Add 81/90 and 36/24

1st number: 81/90, 2nd number: 1 12/24

81/90 + 36/24 is 12/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 24 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    81/90 = 81 × 4/90 × 4 = 324/360
  3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
    36/24 = 36 × 15/24 × 15 = 540/360
  4. Add the two like fractions:
    324/360 + 540/360 = 324 + 540/360 = 864/360
  5. 864/360 simplified gives 12/5
  6. So, 81/90 + 36/24 = 12/5
    In mixed form: 22/5

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