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Add 80/5 and 70/42

1st number: 16 0/5, 2nd number: 1 28/42

80/5 + 70/42 is 53/3.

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,
    80/5 = 80 × 42/5 × 42 = 3360/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two fractions:
    3360/210 + 350/210 = 3360 + 350/210 = 3710/210
  5. 3710/210 simplified gives 53/3
  6. So, 80/5 + 70/42 = 53/3
    In mixed form: 172/3

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