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Add 72/9 and 27/20

1st number: 8 0/9, 2nd number: 1 7/20

72/9 + 27/20 is 187/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    72/9 = 72 × 20/9 × 20 = 1440/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    27/20 = 27 × 9/20 × 9 = 243/180
  4. Add the two like fractions:
    1440/180 + 243/180 = 1440 + 243/180 = 1683/180
  5. 1683/180 simplified gives 187/20
  6. So, 72/9 + 27/20 = 187/20
    In mixed form: 97/20

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