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Add 9/40 and 9/18

9/40 + 9/18 is 29/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    9/40 = 9 × 9/40 × 9 = 81/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    9/18 = 9 × 20/18 × 20 = 180/360
  4. Add the two like fractions:
    81/360 + 180/360 = 81 + 180/360 = 261/360
  5. 261/360 simplified gives 29/40
  6. So, 9/40 + 9/18 = 29/40

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