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Add 27/80 and 28/63

27/80 + 28/63 is 563/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    27/80 = 27 × 63/80 × 63 = 1701/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    28/63 = 28 × 80/63 × 80 = 2240/5040
  4. Add the two like fractions:
    1701/5040 + 2240/5040 = 1701 + 2240/5040 = 3941/5040
  5. 3941/5040 simplified gives 563/720
  6. So, 27/80 + 28/63 = 563/720

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