Answers

Add 81/98 and 90/45

1^st number: 81/98, 2^nd number: 2 0/45

81/98 + 90/45 is 277/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 45 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 98 × 45 = 4410,
   81/98 = 81 × 45/98 × 45 = 3645/4410
3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
   90/45 = 90 × 98/45 × 98 = 8820/4410
4. Add the two like fractions:
   3645/4410 + 8820/4410 = 3645 + 8820/4410 = 12465/4410
5. 12465/4410 simplified gives 277/98
6. So, 81/98 + 90/45 = 277/98
   In mixed form: 281/98

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