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Add 18/90 and 6/10

18/90 + 6/10 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 10 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    18/90 = 18 × 1/90 × 1 = 18/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    6/10 = 6 × 9/10 × 9 = 54/90
  4. Add the two fractions:
    18/90 + 54/90 = 18 + 54/90 = 72/90
  5. 72/90 simplified gives 4/5
  6. So, 18/90 + 6/10 = 4/5

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