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Add 27/56 and 40/80

27/56 + 40/80 is 55/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 56 × 10 = 560,
    27/56 = 27 × 10/56 × 10 = 270/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    40/80 = 40 × 7/80 × 7 = 280/560
  4. Add the two like fractions:
    270/560 + 280/560 = 270 + 280/560 = 550/560
  5. 550/560 simplified gives 55/56
  6. So, 27/56 + 40/80 = 55/56

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