Answers

Add 25/20 and 21/98

1^st number: 1 5/20, 2^nd number: 21/98

25/20 + 21/98 is 41/28.

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,
   25/20 = 25 × 49/20 × 49 = 1225/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   21/98 = 21 × 10/98 × 10 = 210/980
4. Add the two like fractions:
   1225/980 + 210/980 = 1225 + 210/980 = 1435/980
5. 1435/980 simplified gives 41/28
6. So, 25/20 + 21/98 = 41/28
   In mixed form: 113/28

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