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Add 18/5 and 70/42

1st number: 3 3/5, 2nd number: 1 28/42

18/5 + 70/42 is 79/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210
  2. For the 1st fraction, since 5 × 42 = 210,
    18/5 = 18 × 42/5 × 42 = 756/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two fractions:
    756/210 + 350/210 = 756 + 350/210 = 1106/210
  5. After reducing the fraction, the answer is 79/15
  6. In mixed form: 54/15

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