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Add 56/80 and 18/63

56/80 + 18/63 is 69/70.

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,
    56/80 = 56 × 63/80 × 63 = 3528/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    18/63 = 18 × 80/63 × 80 = 1440/5040
  4. Add the two like fractions:
    3528/5040 + 1440/5040 = 3528 + 1440/5040 = 4968/5040
  5. 4968/5040 simplified gives 69/70
  6. So, 56/80 + 18/63 = 69/70

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