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Add 9/20 and 15/27

9/20 + 15/27 is 181/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    9/20 = 9 × 27/20 × 27 = 243/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    15/27 = 15 × 20/27 × 20 = 300/540
  4. Add the two like fractions:
    243/540 + 300/540 = 243 + 300/540 = 543/540
  5. 543/540 simplified gives 181/180
  6. So, 9/20 + 15/27 = 181/180
    In mixed form: 11/180

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