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Add 9/49 and 40/80

9/49 + 40/80 is 67/98.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 49 × 80 = 3920,
    9/49 = 9 × 80/49 × 80 = 720/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    40/80 = 40 × 49/80 × 49 = 1960/3920
  4. Add the two like fractions:
    720/3920 + 1960/3920 = 720 + 1960/3920 = 2680/3920
  5. 2680/3920 simplified gives 67/98
  6. So, 9/49 + 40/80 = 67/98

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