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Add 18/80 and 45/8

1st number: 18/80, 2nd number: 5 5/8

18/80 + 45/8 is 117/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    18/80 = 18 × 1/80 × 1 = 18/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    45/8 = 45 × 10/8 × 10 = 450/80
  4. Add the two like fractions:
    18/80 + 450/80 = 18 + 450/80 = 468/80
  5. 468/80 simplified gives 117/20
  6. So, 18/80 + 45/8 = 117/20
    In mixed form: 517/20

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