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Add 18/40 and 1/20

18/40 + 1/20 is 1/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 20 is 40
  2. For the 1st fraction, since 40 × 1 = 40,
    18/40 = 18 × 1/40 × 1 = 18/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    1/20 = 1 × 2/20 × 2 = 2/40
  4. Add the two fractions:
    18/40 + 2/40 = 18 + 2/40 = 20/40
  5. After reducing the fraction, the answer is 1/2

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