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Add 7/20 and 7/18

7/20 + 7/18 is 133/180.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    7/20 = 7 × 9/20 × 9 = 63/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    7/18 = 7 × 10/18 × 10 = 70/180
  4. Add the two like fractions:
    63/180 + 70/180 = 63 + 70/180 = 133/180
  5. So, 7/20 + 7/18 = 133/180

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