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Add 70/98 and 18/80

70/98 + 18/80 is 263/280.

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,
    70/98 = 70 × 40/98 × 40 = 2800/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    18/80 = 18 × 49/80 × 49 = 882/3920
  4. Add the two like fractions:
    2800/3920 + 882/3920 = 2800 + 882/3920 = 3682/3920
  5. 3682/3920 simplified gives 263/280
  6. So, 70/98 + 18/80 = 263/280

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