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Add 18/98 and 8/80

18/98 + 8/80 is 139/490.

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,
    18/98 = 18 × 40/98 × 40 = 720/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    8/80 = 8 × 49/80 × 49 = 392/3920
  4. Add the two like fractions:
    720/3920 + 392/3920 = 720 + 392/3920 = 1112/3920
  5. 1112/3920 simplified gives 139/490
  6. So, 18/98 + 8/80 = 139/490

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