Answers

Add 81/9 and 21/98

1^st number: 9 0/9, 2^nd number: 21/98

81/9 + 21/98 is 129/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 9 × 98 = 882,
   81/9 = 81 × 98/9 × 98 = 7938/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   21/98 = 21 × 9/98 × 9 = 189/882
4. Add the two like fractions:
   7938/882 + 189/882 = 7938 + 189/882 = 8127/882
5. 8127/882 simplified gives 129/14
6. So, 81/9 + 21/98 = 129/14
   In mixed form: 93/14

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