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Add 8/90 and 28/84

8/90 + 28/84 is 19/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    8/90 = 8 × 14/90 × 14 = 112/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    28/84 = 28 × 15/84 × 15 = 420/1260
  4. Add the two like fractions:
    112/1260 + 420/1260 = 112 + 420/1260 = 532/1260
  5. 532/1260 simplified gives 19/45
  6. So, 8/90 + 28/84 = 19/45

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