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Add 27/18 and 32/20

1st number: 1 9/18, 2nd number: 1 12/20

27/18 + 32/20 is 31/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    27/18 = 27 × 10/18 × 10 = 270/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    32/20 = 32 × 9/20 × 9 = 288/180
  4. Add the two like fractions:
    270/180 + 288/180 = 270 + 288/180 = 558/180
  5. 558/180 simplified gives 31/10
  6. So, 27/18 + 32/20 = 31/10
    In mixed form: 31/10

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