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Add 45/54 and 16/80

45/54 + 16/80 is 31/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 80 is 2160

    Next, find the equivalent fraction of both fractional numbers with denominator 2160
  2. For the 1st fraction, since 54 × 40 = 2160,
    45/54 = 45 × 40/54 × 40 = 1800/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    16/80 = 16 × 27/80 × 27 = 432/2160
  4. Add the two like fractions:
    1800/2160 + 432/2160 = 1800 + 432/2160 = 2232/2160
  5. 2232/2160 simplified gives 31/30
  6. So, 45/54 + 16/80 = 31/30
    In mixed form: 11/30

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