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Add 18/45 and 4/5

18/45 + 4/5 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 5 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    18/45 = 18 × 1/45 × 1 = 18/45
  3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
    4/5 = 4 × 9/5 × 9 = 36/45
  4. Add the two fractions:
    18/45 + 36/45 = 18 + 36/45 = 54/45
  5. After reducing the fraction, the answer is 6/5
  6. In mixed form: 11/5

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