Answers

Add 90/56 and 45/81

1^st number: 1 34/56, 2^nd number: 45/81

90/56 + 45/81 is 545/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 81 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 56 × 81 = 4536,
   90/56 = 90 × 81/56 × 81 = 7290/4536
3. Likewise, for the 2nd fraction, since 81 × 56 = 4536,
   45/81 = 45 × 56/81 × 56 = 2520/4536
4. Add the two like fractions:
   7290/4536 + 2520/4536 = 7290 + 2520/4536 = 9810/4536
5. 9810/4536 simplified gives 545/252
6. So, 90/56 + 45/81 = 545/252
   In mixed form: 241/252

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