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Add 90/9 and 36/80

1st number: 10 0/9, 2nd number: 36/80

90/9 + 36/80 is 209/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 9 × 80 = 720,
    90/9 = 90 × 80/9 × 80 = 7200/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    36/80 = 36 × 9/80 × 9 = 324/720
  4. Add the two like fractions:
    7200/720 + 324/720 = 7200 + 324/720 = 7524/720
  5. 7524/720 simplified gives 209/20
  6. So, 90/9 + 36/80 = 209/20
    In mixed form: 109/20

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