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Add 20/5 and 9/18

1st number: 4 0/5, 2nd number: 9/18

20/5 + 9/18 is 9/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    20/5 = 20 × 18/5 × 18 = 360/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    9/18 = 9 × 5/18 × 5 = 45/90
  4. Add the two like fractions:
    360/90 + 45/90 = 360 + 45/90 = 405/90
  5. 405/90 simplified gives 9/2
  6. So, 20/5 + 9/18 = 9/2
    In mixed form: 41/2

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