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Add 27/4 and 80/5

1st number: 6 3/4, 2nd number: 16 0/5

27/4 + 80/5 is 91/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    27/4 = 27 × 5/4 × 5 = 135/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    80/5 = 80 × 4/5 × 4 = 320/20
  4. Add the two like fractions:
    135/20 + 320/20 = 135 + 320/20 = 455/20
  5. 455/20 simplified gives 91/4
  6. So, 27/4 + 80/5 = 91/4
    In mixed form: 223/4

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