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Add 2/20 and 8/90

2/20 + 8/90 is 17/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    2/20 = 2 × 9/20 × 9 = 18/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    8/90 = 8 × 2/90 × 2 = 16/180
  4. Add the two like fractions:
    18/180 + 16/180 = 18 + 16/180 = 34/180
  5. 34/180 simplified gives 17/90
  6. So, 2/20 + 8/90 = 17/90

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