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Add 90/14 and 84/18

1st number: 6 6/14, 2nd number: 4 12/18

90/14 + 84/18 is 233/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 14 × 9 = 126,
    90/14 = 90 × 9/14 × 9 = 810/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    84/18 = 84 × 7/18 × 7 = 588/126
  4. Add the two like fractions:
    810/126 + 588/126 = 810 + 588/126 = 1398/126
  5. 1398/126 simplified gives 233/21
  6. So, 90/14 + 84/18 = 233/21
    In mixed form: 112/21

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