Answers

Add 80/21 and 18/98

1^st number: 3 17/21, 2^nd number: 18/98

80/21 + 18/98 is 587/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 21 × 14 = 294,
   80/21 = 80 × 14/21 × 14 = 1120/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   18/98 = 18 × 3/98 × 3 = 54/294
4. Add the two like fractions:
   1120/294 + 54/294 = 1120 + 54/294 = 1174/294
5. 1174/294 simplified gives 587/147
6. So, 80/21 + 18/98 = 587/147
   In mixed form: 3146/147

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