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Add 12/40 and 80/9

1st number: 12/40, 2nd number: 8 8/9

12/40 + 80/9 is 827/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    80/9 = 80 × 40/9 × 40 = 3200/360
  4. Add the two like fractions:
    108/360 + 3200/360 = 108 + 3200/360 = 3308/360
  5. 3308/360 simplified gives 827/90
  6. So, 12/40 + 80/9 = 827/90
    In mixed form: 917/90

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