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Add 90/9 and 45/4

1st number: 10 0/9, 2nd number: 11 1/4

90/9 + 45/4 is 85/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36
  2. For the 1st fraction, since 9 × 4 = 36,
    90/9 = 90 × 4/9 × 4 = 360/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    45/4 = 45 × 9/4 × 9 = 405/36
  4. Add the two fractions:
    360/36 + 405/36 = 360 + 405/36 = 765/36
  5. After reducing the fraction, the answer is 85/4
  6. In mixed form: 211/4

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