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Add 75/80 and 45/49

75/80 + 45/49 is 1455/784.

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,
    75/80 = 75 × 49/80 × 49 = 3675/3920
  3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
    45/49 = 45 × 80/49 × 80 = 3600/3920
  4. Add the two like fractions:
    3675/3920 + 3600/3920 = 3675 + 3600/3920 = 7275/3920
  5. 7275/3920 simplified gives 1455/784
  6. So, 75/80 + 45/49 = 1455/784
    In mixed form: 1671/784

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