Answers

Add 4/81 and 90/56

1^st number: 4/81, 2^nd number: 1 34/56

4/81 + 90/56 is 3757/2268.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 56 is 4536
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4536
2. For the 1st fraction, since 81 × 56 = 4536,
   4/81 = 4 × 56/81 × 56 = 224/4536
3. Likewise, for the 2nd fraction, since 56 × 81 = 4536,
   90/56 = 90 × 81/56 × 81 = 7290/4536
4. Add the two like fractions:
   224/4536 + 7290/4536 = 224 + 7290/4536 = 7514/4536
5. 7514/4536 simplified gives 3757/2268
6. So, 4/81 + 90/56 = 3757/2268
   In mixed form: 11489/2268

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