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Add 4/18 and 9/20

4/18 + 9/20 is 121/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    4/18 = 4 × 10/18 × 10 = 40/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  4. Add the two like fractions:
    40/180 + 81/180 = 40 + 81/180 = 121/180
  5. So, 4/18 + 9/20 = 121/180

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