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Add 6/4 and 9/90

1st number: 1 2/4, 2nd number: 9/90

6/4 + 9/90 is 8/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    6/4 = 6 × 45/4 × 45 = 270/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    9/90 = 9 × 2/90 × 2 = 18/180
  4. Add the two fractions:
    270/180 + 18/180 = 270 + 18/180 = 288/180
  5. After reducing the fraction, the answer is 8/5
  6. In mixed form: 13/5

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