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Add 12/80 and 32/90

12/80 + 32/90 is 91/180.

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,
    12/80 = 12 × 9/80 × 9 = 108/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    32/90 = 32 × 8/90 × 8 = 256/720
  4. Add the two like fractions:
    108/720 + 256/720 = 108 + 256/720 = 364/720
  5. 364/720 simplified gives 91/180
  6. So, 12/80 + 32/90 = 91/180

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