Answers

Add 50/20 and 81/98

1^st number: 2 10/20, 2^nd number: 81/98

50/20 + 81/98 is 163/49.

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,
   50/20 = 50 × 49/20 × 49 = 2450/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   81/98 = 81 × 10/98 × 10 = 810/980
4. Add the two like fractions:
   2450/980 + 810/980 = 2450 + 810/980 = 3260/980
5. 3260/980 simplified gives 163/49
6. So, 50/20 + 81/98 = 163/49
   In mixed form: 316/49

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