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Add 56/80 and 75/90

56/80 + 75/90 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    56/80 = 56 × 9/80 × 9 = 504/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    75/90 = 75 × 8/90 × 8 = 600/720
  4. Add the two like fractions:
    504/720 + 600/720 = 504 + 600/720 = 1104/720
  5. 1104/720 simplified gives 23/15
  6. So, 56/80 + 75/90 = 23/15
    In mixed form: 18/15

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