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Add 3/18 and 30/40

3/18 + 30/40 is 11/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360
  2. For the 1st fraction, since 18 × 20 = 360,
    3/18 = 3 × 20/18 × 20 = 60/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    30/40 = 30 × 9/40 × 9 = 270/360
  4. Add the two fractions:
    60/360 + 270/360 = 60 + 270/360 = 330/360
  5. 330/360 simplified gives 11/12
  6. So, 3/18 + 30/40 = 11/12

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