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Add 18/20 and 1/4

18/20 + 1/4 is 23/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    18/20 = 18 × 1/20 × 1 = 18/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    1/4 = 1 × 5/4 × 5 = 5/20
  4. Add the two like fractions:
    18/20 + 5/20 = 18 + 5/20 = 23/20
  5. So, 18/20 + 1/4 = 23/20
    In mixed form: 13/20

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