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Add 80/18 and 45/10

1st number: 4 8/18, 2nd number: 4 5/10

80/18 + 45/10 is 161/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    80/18 = 80 × 5/18 × 5 = 400/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    45/10 = 45 × 9/10 × 9 = 405/90
  4. Add the two like fractions:
    400/90 + 405/90 = 400 + 405/90 = 805/90
  5. 805/90 simplified gives 161/18
  6. So, 80/18 + 45/10 = 161/18
    In mixed form: 817/18

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