Answers

Add 10/98 and 40/20

1^st number: 10/98, 2^nd number: 2 0/20

10/98 + 40/20 is 103/49.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 98 × 10 = 980,
   10/98 = 10 × 10/98 × 10 = 100/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   40/20 = 40 × 49/20 × 49 = 1960/980
4. Add the two like fractions:
   100/980 + 1960/980 = 100 + 1960/980 = 2060/980
5. 2060/980 simplified gives 103/49
6. So, 10/98 + 40/20 = 103/49
   In mixed form: 25/49

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