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Add 40/5 and 12/80

1st number: 8 0/5, 2nd number: 12/80

40/5 + 12/80 is 163/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    40/5 = 40 × 16/5 × 16 = 640/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    12/80 = 12 × 1/80 × 1 = 12/80
  4. Add the two like fractions:
    640/80 + 12/80 = 640 + 12/80 = 652/80
  5. 652/80 simplified gives 163/20
  6. So, 40/5 + 12/80 = 163/20
    In mixed form: 83/20

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