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Add 28/9 and 10/20

1st number: 3 1/9, 2nd number: 10/20

28/9 + 10/20 is 65/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    28/9 = 28 × 20/9 × 20 = 560/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    10/20 = 10 × 9/20 × 9 = 90/180
  4. Add the two like fractions:
    560/180 + 90/180 = 560 + 90/180 = 650/180
  5. 650/180 simplified gives 65/18
  6. So, 28/9 + 10/20 = 65/18
    In mixed form: 311/18

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