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Add 16/20 and 28/36

16/20 + 28/36 is 71/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 36 is 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 36 × 5 = 180,
    28/36 = 28 × 5/36 × 5 = 140/180
  4. Add the two fractions:
    144/180 + 140/180 = 144 + 140/180 = 284/180
  5. 284/180 simplified gives 71/45
  6. So, 16/20 + 28/36 = 71/45
    In mixed form: 126/45

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