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Add 27/2 and 40/20

1st number: 13 1/2, 2nd number: 2 0/20

27/2 + 40/20 is 31/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 2 × 10 = 20,
    27/2 = 27 × 10/2 × 10 = 270/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    40/20 = 40 × 1/20 × 1 = 40/20
  4. Add the two like fractions:
    270/20 + 40/20 = 270 + 40/20 = 310/20
  5. 310/20 simplified gives 31/2
  6. So, 27/2 + 40/20 = 31/2
    In mixed form: 151/2

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