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Add 90/54 and 56/84

1st number: 1 36/54, 2nd number: 56/84

90/54 + 56/84 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 84 is 756

    Next, find the equivalent fraction of both fractional numbers with denominator 756
  2. For the 1st fraction, since 54 × 14 = 756,
    90/54 = 90 × 14/54 × 14 = 1260/756
  3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
    56/84 = 56 × 9/84 × 9 = 504/756
  4. Add the two like fractions:
    1260/756 + 504/756 = 1260 + 504/756 = 1764/756
  5. 1764/756 simplified gives 7/3
  6. So, 90/54 + 56/84 = 7/3
    In mixed form: 21/3

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