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Add 10/9 and 90/20

1st number: 1 1/9, 2nd number: 4 10/20

10/9 + 90/20 is 101/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 20 is 180
  2. For the 1st fraction, since 9 × 20 = 180,
    10/9 = 10 × 20/9 × 20 = 200/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  4. Add the two fractions:
    200/180 + 810/180 = 200 + 810/180 = 1010/180
  5. After reducing the fraction, the answer is 101/18
  6. In mixed form: 511/18

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