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Add 5/18 and 18/40

5/18 + 18/40 is 131/180.

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,
    5/18 = 5 × 20/18 × 20 = 100/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    18/40 = 18 × 9/40 × 9 = 162/360
  4. Add the two like fractions:
    100/360 + 162/360 = 100 + 162/360 = 262/360
  5. 262/360 simplified gives 131/180
  6. So, 5/18 + 18/40 = 131/180

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