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Add 4/20 and 6/9

4/20 + 6/9 is 13/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    4/20 = 4 × 9/20 × 9 = 36/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    6/9 = 6 × 20/9 × 20 = 120/180
  4. Add the two like fractions:
    36/180 + 120/180 = 36 + 120/180 = 156/180
  5. 156/180 simplified gives 13/15
  6. So, 4/20 + 6/9 = 13/15

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