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Add 1/18 and 18/20

1/18 + 18/20 is 43/45.

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,
    1/18 = 1 × 10/18 × 10 = 10/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    18/20 = 18 × 9/20 × 9 = 162/180
  4. Add the two like fractions:
    10/180 + 162/180 = 10 + 162/180 = 172/180
  5. 172/180 simplified gives 43/45
  6. So, 1/18 + 18/20 = 43/45

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