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Add 20/3 and 63/90

1st number: 6 2/3, 2nd number: 63/90

20/3 + 63/90 is 221/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 90 is 90
  2. For the 1st fraction, since 3 × 30 = 90,
    20/3 = 20 × 30/3 × 30 = 600/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    63/90 = 63 × 1/90 × 1 = 63/90
  4. Add the two fractions:
    600/90 + 63/90 = 600 + 63/90 = 663/90
  5. After reducing the fraction, the answer is 221/30
  6. In mixed form: 711/30

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