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Add 12/98 and 18/80

12/98 + 18/80 is 681/1960.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    12/98 = 12 × 40/98 × 40 = 480/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    18/80 = 18 × 49/80 × 49 = 882/3920
  4. Add the two fractions:
    480/3920 + 882/3920 = 480 + 882/3920 = 1362/3920
  5. After reducing the fraction, the answer is 681/1960

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