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Add 45/80 and 40/50

45/80 + 40/50 is 109/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 50 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 80 × 5 = 400,
    45/80 = 45 × 5/80 × 5 = 225/400
  3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
    40/50 = 40 × 8/50 × 8 = 320/400
  4. Add the two like fractions:
    225/400 + 320/400 = 225 + 320/400 = 545/400
  5. 545/400 simplified gives 109/80
  6. So, 45/80 + 40/50 = 109/80
    In mixed form: 129/80

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