Answers

Add 63/35 and 16/80

1^st number: 1 28/35, 2^nd number: 16/80

63/35 + 16/80 is 2/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   63/35 = 63 × 16/35 × 16 = 1008/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   16/80 = 16 × 7/80 × 7 = 112/560
4. Add the two like fractions:
   1008/560 + 112/560 = 1008 + 112/560 = 1120/560
5. 1120/560 simplified gives 2/1
6. So, 63/35 + 16/80 = 2/1

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