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Add 18/40 and 16/20

18/40 + 16/20 is 5/4.

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,
    16/20 = 16 × 2/20 × 2 = 32/40
  4. Add the two fractions:
    18/40 + 32/40 = 18 + 32/40 = 50/40
  5. After reducing the fraction, the answer is 5/4
  6. In mixed form: 11/4

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