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Add 28/98 and 35/80

28/98 + 35/80 is 81/112.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    28/98 = 28 × 40/98 × 40 = 1120/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    35/80 = 35 × 49/80 × 49 = 1715/3920
  4. Add the two like fractions:
    1120/3920 + 1715/3920 = 1120 + 1715/3920 = 2835/3920
  5. 2835/3920 simplified gives 81/112
  6. So, 28/98 + 35/80 = 81/112

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