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Add 9/49 and 70/80

9/49 + 70/80 is 415/392.

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,
    70/80 = 70 × 49/80 × 49 = 3430/3920
  4. Add the two like fractions:
    720/3920 + 3430/3920 = 720 + 3430/3920 = 4150/3920
  5. 4150/3920 simplified gives 415/392
  6. So, 9/49 + 70/80 = 415/392
    In mixed form: 123/392

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