Answers

Add 20/98 and 28/21

1^st number: 20/98, 2^nd number: 1 7/21

20/98 + 28/21 is 226/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 21 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 98 × 3 = 294,
   20/98 = 20 × 3/98 × 3 = 60/294
3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
   28/21 = 28 × 14/21 × 14 = 392/294
4. Add the two like fractions:
   60/294 + 392/294 = 60 + 392/294 = 452/294
5. 452/294 simplified gives 226/147
6. So, 20/98 + 28/21 = 226/147
   In mixed form: 179/147

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