Answers

Add 35/20 and 21/98

1^st number: 1 15/20, 2^nd number: 21/98

35/20 + 21/98 is 55/28.

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,
   35/20 = 35 × 49/20 × 49 = 1715/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   21/98 = 21 × 10/98 × 10 = 210/980
4. Add the two like fractions:
   1715/980 + 210/980 = 1715 + 210/980 = 1925/980
5. 1925/980 simplified gives 55/28
6. So, 35/20 + 21/98 = 55/28
   In mixed form: 127/28

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