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Add 81/45 and 18/9

1st number: 1 36/45, 2nd number: 2 0/9

81/45 + 18/9 is 19/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    81/45 = 81 × 1/45 × 1 = 81/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    18/9 = 18 × 5/9 × 5 = 90/45
  4. Add the two fractions:
    81/45 + 90/45 = 81 + 90/45 = 171/45
  5. 171/45 simplified gives 19/5
  6. So, 81/45 + 18/9 = 19/5
    In mixed form: 34/5

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