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Add 15/80 and 12/49

15/80 + 12/49 is 339/784.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    15/80 = 15 × 49/80 × 49 = 735/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    12/49 = 12 × 80/49 × 80 = 960/3920
  4. Add the two like fractions:
    735/3920 + 960/3920 = 735 + 960/3920 = 1695/3920
  5. 1695/3920 simplified gives 339/784
  6. So, 15/80 + 12/49 = 339/784

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