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Add 20/6 and 15/90

1st number: 3 2/6, 2nd number: 15/90

20/6 + 15/90 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 90 is 90
  2. For the 1st fraction, since 6 × 15 = 90,
    20/6 = 20 × 15/6 × 15 = 300/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    15/90 = 15 × 1/90 × 1 = 15/90
  4. Add the two fractions:
    300/90 + 15/90 = 300 + 15/90 = 315/90
  5. After reducing the fraction, the answer is 7/2
  6. In mixed form: 31/2

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