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Add 7/18 and 80/90

7/18 + 80/90 is 23/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    7/18 = 7 × 5/18 × 5 = 35/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    80/90 = 80 × 1/90 × 1 = 80/90
  4. Add the two like fractions:
    35/90 + 80/90 = 35 + 80/90 = 115/90
  5. 115/90 simplified gives 23/18
  6. So, 7/18 + 80/90 = 23/18
    In mixed form: 15/18

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