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Add 27/45 and 27/60

27/45 + 27/60 is 21/20.

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,
    27/45 = 27 × 4/45 × 4 = 108/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    27/60 = 27 × 3/60 × 3 = 81/180
  4. Add the two like fractions:
    108/180 + 81/180 = 108 + 81/180 = 189/180
  5. 189/180 simplified gives 21/20
  6. So, 27/45 + 27/60 = 21/20
    In mixed form: 11/20

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