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Add 15/18 and 50/90

15/18 + 50/90 is 25/18.

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,
    15/18 = 15 × 5/18 × 5 = 75/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    50/90 = 50 × 1/90 × 1 = 50/90
  4. Add the two like fractions:
    75/90 + 50/90 = 75 + 50/90 = 125/90
  5. 125/90 simplified gives 25/18
  6. So, 15/18 + 50/90 = 25/18
    In mixed form: 17/18

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