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Add 45/9 and 5/80

1st number: 5 0/9, 2nd number: 5/80

45/9 + 5/80 is 81/16.

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,
    45/9 = 45 × 80/9 × 80 = 3600/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    5/80 = 5 × 9/80 × 9 = 45/720
  4. Add the two like fractions:
    3600/720 + 45/720 = 3600 + 45/720 = 3645/720
  5. 3645/720 simplified gives 81/16
  6. So, 45/9 + 5/80 = 81/16
    In mixed form: 51/16

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