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Add 4/18 and 20/40

4/18 + 20/40 is 13/18.

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,
    4/18 = 4 × 20/18 × 20 = 80/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    20/40 = 20 × 9/40 × 9 = 180/360
  4. Add the two like fractions:
    80/360 + 180/360 = 80 + 180/360 = 260/360
  5. 260/360 simplified gives 13/18
  6. So, 4/18 + 20/40 = 13/18

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