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Add 1/18 and 18/40

1/18 + 18/40 is 91/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    1/18 = 1 × 20/18 × 20 = 20/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  4. Add the two like fractions:
    20/360 + 162/360 = 20 + 162/360 = 182/360
  5. 182/360 simplified gives 91/180
  6. So, 1/18 + 18/40 = 91/180

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