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Add 54/80 and 9/8

1st number: 54/80, 2nd number: 1 1/8

54/80 + 9/8 is 9/5.

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,
    54/80 = 54 × 1/80 × 1 = 54/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    9/8 = 9 × 10/8 × 10 = 90/80
  4. Add the two like fractions:
    54/80 + 90/80 = 54 + 90/80 = 144/80
  5. 144/80 simplified gives 9/5
  6. So, 54/80 + 9/8 = 9/5
    In mixed form: 14/5

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