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Add 40/90 and 5/20

40/90 + 5/20 is 25/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    40/90 = 40 × 2/90 × 2 = 80/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  4. Add the two like fractions:
    80/180 + 45/180 = 80 + 45/180 = 125/180
  5. 125/180 simplified gives 25/36
  6. So, 40/90 + 5/20 = 25/36

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