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Add 45/80 and 36/98

45/80 + 36/98 is 729/784.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 3920
  2. For the 1st fraction, since 80 × 49 = 3920,
    45/80 = 45 × 49/80 × 49 = 2205/3920
  3. Likewise, for the 2nd fraction, since 98 × 40 = 3920,
    36/98 = 36 × 40/98 × 40 = 1440/3920
  4. Add the two like fractions:
    2205/3920 + 1440/3920 = 2205 + 1440/3920 = 3645/3920
  5. 3645/3920 simplified gives 729/784
  6. So, 45/80 + 36/98 = 729/784

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