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Add 40/9 and 90/20

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

40/9 + 90/20 is 161/18.

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,
    40/9 = 40 × 20/9 × 20 = 800/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    90/20 = 90 × 9/20 × 9 = 810/180
  4. Add the two like fractions:
    800/180 + 810/180 = 800 + 810/180 = 1610/180
  5. 1610/180 simplified gives 161/18
  6. So, 40/9 + 90/20 = 161/18
    In mixed form: 817/18

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