Answers

Add 81/98 and 54/8

1^st number: 81/98, 2^nd number: 6 6/8

81/98 + 54/8 is 1485/196.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 8 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 98 × 4 = 392,
   81/98 = 81 × 4/98 × 4 = 324/392
3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
   54/8 = 54 × 49/8 × 49 = 2646/392
4. Add the two like fractions:
   324/392 + 2646/392 = 324 + 2646/392 = 2970/392
5. 2970/392 simplified gives 1485/196
6. So, 81/98 + 54/8 = 1485/196
   In mixed form: 7113/196

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