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Add 56/80 and 45/75

56/80 + 45/75 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 75 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 80 × 15 = 1200,
    56/80 = 56 × 15/80 × 15 = 840/1200
  3. Likewise, for the 2nd fraction, since 75 × 16 = 1200,
    45/75 = 45 × 16/75 × 16 = 720/1200
  4. Add the two like fractions:
    840/1200 + 720/1200 = 840 + 720/1200 = 1560/1200
  5. 1560/1200 simplified gives 13/10
  6. So, 56/80 + 45/75 = 13/10
    In mixed form: 13/10

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