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Add 10/18 and 9/20

10/18 + 9/20 is 181/180.

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,
    10/18 = 10 × 10/18 × 10 = 100/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  4. Add the two like fractions:
    100/180 + 81/180 = 100 + 81/180 = 181/180
  5. So, 10/18 + 9/20 = 181/180
    In mixed form: 11/180

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