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Add 35/9 and 18/20

1st number: 3 8/9, 2nd number: 18/20

35/9 + 18/20 is 431/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180
  2. For the 1st fraction, since 9 × 20 = 180,
    35/9 = 35 × 20/9 × 20 = 700/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    18/20 = 18 × 9/20 × 9 = 162/180
  4. Add the two fractions:
    700/180 + 162/180 = 700 + 162/180 = 862/180
  5. After reducing the fraction, the answer is 431/90
  6. In mixed form: 471/90

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