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Add 84/90 and 14/42

84/90 + 14/42 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    14/42 = 14 × 15/42 × 15 = 210/630
  4. Add the two like fractions:
    588/630 + 210/630 = 588 + 210/630 = 798/630
  5. 798/630 simplified gives 19/15
  6. So, 84/90 + 14/42 = 19/15
    In mixed form: 14/15

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