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Add 20/3 and 21/7

1st number: 6 2/3, 2nd number: 3 0/7

20/3 + 21/7 is 29/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    20/3 = 20 × 7/3 × 7 = 140/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    21/7 = 21 × 3/7 × 3 = 63/21
  4. Add the two like fractions:
    140/21 + 63/21 = 140 + 63/21 = 203/21
  5. 203/21 simplified gives 29/3
  6. So, 20/3 + 21/7 = 29/3
    In mixed form: 92/3

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