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Add 10/49 and 40/80

10/49 + 40/80 is 69/98.

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,
    10/49 = 10 × 80/49 × 80 = 800/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    40/80 = 40 × 49/80 × 49 = 1960/3920
  4. Add the two like fractions:
    800/3920 + 1960/3920 = 800 + 1960/3920 = 2760/3920
  5. 2760/3920 simplified gives 69/98
  6. So, 10/49 + 40/80 = 69/98

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