Answers

Add 80/63 and 7/80

1^st number: 1 17/63, 2^nd number: 7/80

80/63 + 7/80 is 6841/5040.

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,
   80/63 = 80 × 80/63 × 80 = 6400/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   7/80 = 7 × 63/80 × 63 = 441/5040
4. Add the two like fractions:
   6400/5040 + 441/5040 = 6400 + 441/5040 = 6841/5040
5. So, 80/63 + 7/80 = 6841/5040
   In mixed form: 11801/5040

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