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Add 42/80 and 49/63

42/80 + 49/63 is 469/360.

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,
    42/80 = 42 × 63/80 × 63 = 2646/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    49/63 = 49 × 80/63 × 80 = 3920/5040
  4. Add the two like fractions:
    2646/5040 + 3920/5040 = 2646 + 3920/5040 = 6566/5040
  5. 6566/5040 simplified gives 469/360
  6. So, 42/80 + 49/63 = 469/360
    In mixed form: 1109/360

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