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Add 10/18 and 80/42

1st number: 10/18, 2nd number: 1 38/42

10/18 + 80/42 is 155/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    10/18 = 10 × 7/18 × 7 = 70/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    80/42 = 80 × 3/42 × 3 = 240/126
  4. Add the two fractions:
    70/126 + 240/126 = 70 + 240/126 = 310/126
  5. 310/126 simplified gives 155/63
  6. So, 10/18 + 80/42 = 155/63
    In mixed form: 229/63

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