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Add 54/63 and 12/80

54/63 + 12/80 is 141/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    54/63 = 54 × 80/63 × 80 = 4320/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    12/80 = 12 × 63/80 × 63 = 756/5040
  4. Add the two like fractions:
    4320/5040 + 756/5040 = 4320 + 756/5040 = 5076/5040
  5. 5076/5040 simplified gives 141/140
  6. So, 54/63 + 12/80 = 141/140
    In mixed form: 11/140

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