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Add 81/45 and 12/18

1st number: 1 36/45, 2nd number: 12/18

81/45 + 12/18 is 37/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    81/45 = 81 × 2/45 × 2 = 162/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  4. Add the two like fractions:
    162/90 + 60/90 = 162 + 60/90 = 222/90
  5. 222/90 simplified gives 37/15
  6. So, 81/45 + 12/18 = 37/15
    In mixed form: 27/15

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