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Add 2/3 and 80/42

1st number: 2/3, 2nd number: 1 38/42

2/3 + 80/42 is 18/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 42 is 42
  2. For the 1st fraction, since 3 × 14 = 42,
    2/3 = 2 × 14/3 × 14 = 28/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    80/42 = 80 × 1/42 × 1 = 80/42
  4. Add the two fractions:
    28/42 + 80/42 = 28 + 80/42 = 108/42
  5. 108/42 simplified gives 18/7
  6. So, 2/3 + 80/42 = 18/7
    In mixed form: 24/7

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