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Add 28/98 and 70/80

28/98 + 70/80 is 65/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    28/98 = 28 × 40/98 × 40 = 1120/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    70/80 = 70 × 49/80 × 49 = 3430/3920
  4. Add the two like fractions:
    1120/3920 + 3430/3920 = 1120 + 3430/3920 = 4550/3920
  5. 4550/3920 simplified gives 65/56
  6. So, 28/98 + 70/80 = 65/56
    In mixed form: 19/56

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