Answers

Add 21/18 and 81/98

1^st number: 1 3/18, 2^nd number: 81/98

21/18 + 81/98 is 293/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 18 × 49 = 882,
   21/18 = 21 × 49/18 × 49 = 1029/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   81/98 = 81 × 9/98 × 9 = 729/882
4. Add the two like fractions:
   1029/882 + 729/882 = 1029 + 729/882 = 1758/882
5. 1758/882 simplified gives 293/147
6. So, 21/18 + 81/98 = 293/147
   In mixed form: 1146/147

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