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Add 27/9 and 81/60

1st number: 3 0/9, 2nd number: 1 21/60

27/9 + 81/60 is 87/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 60 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    27/9 = 27 × 20/9 × 20 = 540/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    81/60 = 81 × 3/60 × 3 = 243/180
  4. Add the two like fractions:
    540/180 + 243/180 = 540 + 243/180 = 783/180
  5. 783/180 simplified gives 87/20
  6. So, 27/9 + 81/60 = 87/20
    In mixed form: 47/20

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