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Add 84/20 and 75/14

1st number: 4 4/20, 2nd number: 5 5/14

84/20 + 75/14 is 669/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 14 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    84/20 = 84 × 7/20 × 7 = 588/140
  3. Likewise, for the 2nd fraction, since 14 × 10 = 140,
    75/14 = 75 × 10/14 × 10 = 750/140
  4. Add the two like fractions:
    588/140 + 750/140 = 588 + 750/140 = 1338/140
  5. 1338/140 simplified gives 669/70
  6. So, 84/20 + 75/14 = 669/70
    In mixed form: 939/70

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