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Add 84/5 and 20/42

1st number: 16 4/5, 2nd number: 20/42

84/5 + 20/42 is 1814/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    84/5 = 84 × 42/5 × 42 = 3528/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    20/42 = 20 × 5/42 × 5 = 100/210
  4. Add the two like fractions:
    3528/210 + 100/210 = 3528 + 100/210 = 3628/210
  5. 3628/210 simplified gives 1814/105
  6. So, 84/5 + 20/42 = 1814/105
    In mixed form: 1729/105

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