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Add 27/36 and 9/15

27/36 + 9/15 is 27/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 15 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    27/36 = 27 × 5/36 × 5 = 135/180
  3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
    9/15 = 9 × 12/15 × 12 = 108/180
  4. Add the two like fractions:
    135/180 + 108/180 = 135 + 108/180 = 243/180
  5. 243/180 simplified gives 27/20
  6. So, 27/36 + 9/15 = 27/20
    In mixed form: 17/20

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