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Add 36/80 and 64/90

36/80 + 64/90 is 209/180.

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,
    36/80 = 36 × 9/80 × 9 = 324/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    64/90 = 64 × 8/90 × 8 = 512/720
  4. Add the two like fractions:
    324/720 + 512/720 = 324 + 512/720 = 836/720
  5. 836/720 simplified gives 209/180
  6. So, 36/80 + 64/90 = 209/180
    In mixed form: 129/180

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