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Add 9/80 and 70/63

1st number: 9/80, 2nd number: 1 7/63

9/80 + 70/63 is 881/720.

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,
    9/80 = 9 × 63/80 × 63 = 567/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    70/63 = 70 × 80/63 × 80 = 5600/5040
  4. Add the two like fractions:
    567/5040 + 5600/5040 = 567 + 5600/5040 = 6167/5040
  5. 6167/5040 simplified gives 881/720
  6. So, 9/80 + 70/63 = 881/720
    In mixed form: 1161/720

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