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Add 80/2 and 45/18

1st number: 40 0/2, 2nd number: 2 9/18

80/2 + 45/18 is 85/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    80/2 = 80 × 9/2 × 9 = 720/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    45/18 = 45 × 1/18 × 1 = 45/18
  4. Add the two like fractions:
    720/18 + 45/18 = 720 + 45/18 = 765/18
  5. 765/18 simplified gives 85/2
  6. So, 80/2 + 45/18 = 85/2
    In mixed form: 421/2

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