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Add 70/90 and 9/18

70/90 + 9/18 is 23/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 18 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    70/90 = 70 × 1/90 × 1 = 70/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    9/18 = 9 × 5/18 × 5 = 45/90
  4. Add the two fractions:
    70/90 + 45/90 = 70 + 45/90 = 115/90
  5. After reducing the fraction, the answer is 23/18
  6. In mixed form: 15/18

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