Answers

Add 45/20 and 20/98

1^st number: 2 5/20, 2^nd number: 20/98

45/20 + 20/98 is 481/196.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   45/20 = 45 × 49/20 × 49 = 2205/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   20/98 = 20 × 10/98 × 10 = 200/980
4. Add the two like fractions:
   2205/980 + 200/980 = 2205 + 200/980 = 2405/980
5. 2405/980 simplified gives 481/196
6. So, 45/20 + 20/98 = 481/196
   In mixed form: 289/196

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