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Add 75/80 and 45/90

75/80 + 45/90 is 23/16.

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,
    75/80 = 75 × 9/80 × 9 = 675/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    45/90 = 45 × 8/90 × 8 = 360/720
  4. Add the two like fractions:
    675/720 + 360/720 = 675 + 360/720 = 1035/720
  5. 1035/720 simplified gives 23/16
  6. So, 75/80 + 45/90 = 23/16
    In mixed form: 17/16

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