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Add 70/18 and 8/42

1st number: 3 16/18, 2nd number: 8/42

70/18 + 8/42 is 257/63.

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,
    70/18 = 70 × 7/18 × 7 = 490/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    8/42 = 8 × 3/42 × 3 = 24/126
  4. Add the two fractions:
    490/126 + 24/126 = 490 + 24/126 = 514/126
  5. After reducing the fraction, the answer is 257/63
  6. In mixed form: 45/63

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