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Add 9/10 and 5/45

9/10 + 5/45 is 91/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 45 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    9/10 = 9 × 9/10 × 9 = 81/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    5/45 = 5 × 2/45 × 2 = 10/90
  4. Add the two fractions:
    81/90 + 10/90 = 81 + 10/90 = 91/90
  5. In mixed form: 11/90

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