Answers

Add 2/98 and 72/70

1^st number: 2/98, 2^nd number: 1 2/70

2/98 + 72/70 is 257/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   2/98 = 2 × 5/98 × 5 = 10/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   72/70 = 72 × 7/70 × 7 = 504/490
4. Add the two like fractions:
   10/490 + 504/490 = 10 + 504/490 = 514/490
5. 514/490 simplified gives 257/245
6. So, 2/98 + 72/70 = 257/245
   In mixed form: 112/245

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