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Add 18/49 and 56/80

18/49 + 56/80 is 523/490.

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,
    18/49 = 18 × 80/49 × 80 = 1440/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    56/80 = 56 × 49/80 × 49 = 2744/3920
  4. Add the two like fractions:
    1440/3920 + 2744/3920 = 1440 + 2744/3920 = 4184/3920
  5. 4184/3920 simplified gives 523/490
  6. So, 18/49 + 56/80 = 523/490
    In mixed form: 133/490

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