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Add 27/49 and 80/90

27/49 + 80/90 is 635/441.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 90 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 49 × 90 = 4410,
    27/49 = 27 × 90/49 × 90 = 2430/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    80/90 = 80 × 49/90 × 49 = 3920/4410
  4. Add the two like fractions:
    2430/4410 + 3920/4410 = 2430 + 3920/4410 = 6350/4410
  5. 6350/4410 simplified gives 635/441
  6. So, 27/49 + 80/90 = 635/441
    In mixed form: 1194/441

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