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Add 18/20 and 15/60

18/20 + 15/60 is 23/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 60 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    18/20 = 18 × 3/20 × 3 = 54/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    15/60 = 15 × 1/60 × 1 = 15/60
  4. Add the two like fractions:
    54/60 + 15/60 = 54 + 15/60 = 69/60
  5. 69/60 simplified gives 23/20
  6. So, 18/20 + 15/60 = 23/20
    In mixed form: 13/20

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