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Add 84/90 and 15/30

84/90 + 15/30 is 43/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    84/90 = 84 × 1/90 × 1 = 84/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    15/30 = 15 × 3/30 × 3 = 45/90
  4. Add the two like fractions:
    84/90 + 45/90 = 84 + 45/90 = 129/90
  5. 129/90 simplified gives 43/30
  6. So, 84/90 + 15/30 = 43/30
    In mixed form: 113/30

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