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Add 80/3 and 21/7

1st number: 26 2/3, 2nd number: 3 0/7

80/3 + 21/7 is 89/3.

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,
    80/3 = 80 × 7/3 × 7 = 560/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    21/7 = 21 × 3/7 × 3 = 63/21
  4. Add the two like fractions:
    560/21 + 63/21 = 560 + 63/21 = 623/21
  5. 623/21 simplified gives 89/3
  6. So, 80/3 + 21/7 = 89/3
    In mixed form: 292/3

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