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Add 7/20 and 6/7

7/20 + 6/7 is 169/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    7/20 = 7 × 7/20 × 7 = 49/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    6/7 = 6 × 20/7 × 20 = 120/140
  4. Add the two fractions:
    49/140 + 120/140 = 49 + 120/140 = 169/140
  5. In mixed form: 129/140

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