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Add 30/20 and 10/90

1st number: 1 10/20, 2nd number: 10/90

30/20 + 10/90 is 29/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 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 90 × 2 = 180,
    10/90 = 10 × 2/90 × 2 = 20/180
  4. Add the two fractions:
    270/180 + 20/180 = 270 + 20/180 = 290/180
  5. 290/180 simplified gives 29/18
  6. So, 30/20 + 10/90 = 29/18
    In mixed form: 111/18

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