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Add 81/45 and 27/12

1st number: 1 36/45, 2nd number: 2 3/12

81/45 + 27/12 is 81/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    81/45 = 81 × 4/45 × 4 = 324/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    27/12 = 27 × 15/12 × 15 = 405/180
  4. Add the two like fractions:
    324/180 + 405/180 = 324 + 405/180 = 729/180
  5. 729/180 simplified gives 81/20
  6. So, 81/45 + 27/12 = 81/20
    In mixed form: 41/20

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