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Add 72/90 and 3/6

72/90 + 3/6 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 6 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    72/90 = 72 × 1/90 × 1 = 72/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    3/6 = 3 × 15/6 × 15 = 45/90
  4. Add the two fractions:
    72/90 + 45/90 = 72 + 45/90 = 117/90
  5. After reducing the fraction, the answer is 13/10
  6. In mixed form: 13/10

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