Answers

Add 35/63 and 35/80

35/63 + 35/80 is 143/144.

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,
   35/63 = 35 × 80/63 × 80 = 2800/5040
3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
   35/80 = 35 × 63/80 × 63 = 2205/5040
4. Add the two like fractions:
   2800/5040 + 2205/5040 = 2800 + 2205/5040 = 5005/5040
5. 5005/5040 simplified gives 143/144
6. So, 35/63 + 35/80 = 143/144

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