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Add 40/63 and 45/80

40/63 + 45/80 is 1207/1008.

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,
    40/63 = 40 × 80/63 × 80 = 3200/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    45/80 = 45 × 63/80 × 63 = 2835/5040
  4. Add the two like fractions:
    3200/5040 + 2835/5040 = 3200 + 2835/5040 = 6035/5040
  5. 6035/5040 simplified gives 1207/1008
  6. So, 40/63 + 45/80 = 1207/1008
    In mixed form: 1199/1008

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