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Add 30/20 and 28/18

1st number: 1 10/20, 2nd number: 1 10/18

30/20 + 28/18 is 55/18.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    30/20 = 30 × 9/20 × 9 = 270/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    28/18 = 28 × 10/18 × 10 = 280/180
  4. Add the two like fractions:
    270/180 + 280/180 = 270 + 280/180 = 550/180
  5. 550/180 simplified gives 55/18
  6. So, 30/20 + 28/18 = 55/18
    In mixed form: 31/18

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