Answers

Add 4/63 and 5/80

4/63 + 5/80 is 127/1008.

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,
   4/63 = 4 × 80/63 × 80 = 320/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   5/80 = 5 × 63/80 × 63 = 315/5040
4. Add the two like fractions:
   320/5040 + 315/5040 = 320 + 315/5040 = 635/5040
5. 635/5040 simplified gives 127/1008
6. So, 4/63 + 5/80 = 127/1008

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