Answers

Add 63/35 and 80/98

1^st number: 1 28/35, 2^nd number: 80/98

63/35 + 80/98 is 641/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 35 × 14 = 490,
   63/35 = 63 × 14/35 × 14 = 882/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   80/98 = 80 × 5/98 × 5 = 400/490
4. Add the two like fractions:
   882/490 + 400/490 = 882 + 400/490 = 1282/490
5. 1282/490 simplified gives 641/245
6. So, 63/35 + 80/98 = 641/245
   In mixed form: 2151/245

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