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Add 42/80 and 36/63

42/80 + 36/63 is 307/280.

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,
    36/63 = 36 × 80/63 × 80 = 2880/5040
  4. Add the two like fractions:
    2646/5040 + 2880/5040 = 2646 + 2880/5040 = 5526/5040
  5. 5526/5040 simplified gives 307/280
  6. So, 42/80 + 36/63 = 307/280
    In mixed form: 127/280

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