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Add 18/45 and 54/60

18/45 + 54/60 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 60 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    18/45 = 18 × 4/45 × 4 = 72/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    54/60 = 54 × 3/60 × 3 = 162/180
  4. Add the two like fractions:
    72/180 + 162/180 = 72 + 162/180 = 234/180
  5. 234/180 simplified gives 13/10
  6. So, 18/45 + 54/60 = 13/10
    In mixed form: 13/10

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