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Add 9/18 and 6/20

9/18 + 6/20 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    9/18 = 9 × 10/18 × 10 = 90/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    6/20 = 6 × 9/20 × 9 = 54/180
  4. Add the two like fractions:
    90/180 + 54/180 = 90 + 54/180 = 144/180
  5. 144/180 simplified gives 4/5
  6. So, 9/18 + 6/20 = 4/5

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