Answers

Add 81/54 and 20/98

1^st number: 1 27/54, 2^nd number: 20/98

81/54 + 20/98 is 167/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 98 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 54 × 49 = 2646,
   81/54 = 81 × 49/54 × 49 = 3969/2646
3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
   20/98 = 20 × 27/98 × 27 = 540/2646
4. Add the two like fractions:
   3969/2646 + 540/2646 = 3969 + 540/2646 = 4509/2646
5. 4509/2646 simplified gives 167/98
6. So, 81/54 + 20/98 = 167/98
   In mixed form: 169/98

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