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Add 90/18 and 45/4

1st number: 5 0/18, 2nd number: 11 1/4

90/18 + 45/4 is 65/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36
  2. For the 1st fraction, since 18 × 2 = 36,
    90/18 = 90 × 2/18 × 2 = 180/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    45/4 = 45 × 9/4 × 9 = 405/36
  4. Add the two fractions:
    180/36 + 405/36 = 180 + 405/36 = 585/36
  5. After reducing the fraction, the answer is 65/4
  6. In mixed form: 161/4

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