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Add 12/80 and 18/63

12/80 + 18/63 is 61/140.

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,
    12/80 = 12 × 63/80 × 63 = 756/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    18/63 = 18 × 80/63 × 80 = 1440/5040
  4. Add the two like fractions:
    756/5040 + 1440/5040 = 756 + 1440/5040 = 2196/5040
  5. 2196/5040 simplified gives 61/140
  6. So, 12/80 + 18/63 = 61/140

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