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Add 7/9 and 7/20

7/9 + 7/20 is 203/180.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 9 × 20 = 180,
    7/9 = 7 × 20/9 × 20 = 140/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    7/20 = 7 × 9/20 × 9 = 63/180
  4. Add the two like fractions:
    140/180 + 63/180 = 140 + 63/180 = 203/180
  5. So, 7/9 + 7/20 = 203/180
    In mixed form: 123/180

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