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Add 16/20 and 6/9

16/20 + 6/9 is 22/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    16/20 = 16 × 9/20 × 9 = 144/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    6/9 = 6 × 20/9 × 20 = 120/180
  4. Add the two like fractions:
    144/180 + 120/180 = 144 + 120/180 = 264/180
  5. 264/180 simplified gives 22/15
  6. So, 16/20 + 6/9 = 22/15
    In mixed form: 17/15

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