Answers

Add 81/9 and 90/56

1^st number: 9 0/9, 2^nd number: 1 34/56

81/9 + 90/56 is 297/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 9 × 56 = 504,
   81/9 = 81 × 56/9 × 56 = 4536/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   90/56 = 90 × 9/56 × 9 = 810/504
4. Add the two like fractions:
   4536/504 + 810/504 = 4536 + 810/504 = 5346/504
5. 5346/504 simplified gives 297/28
6. So, 81/9 + 90/56 = 297/28
   In mixed form: 1017/28

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