Answers

Add 90/18 and 81/56

1^st number: 5 0/18, 2^nd number: 1 25/56

90/18 + 81/56 is 361/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 18 × 28 = 504,
   90/18 = 90 × 28/18 × 28 = 2520/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Add the two like fractions:
   2520/504 + 729/504 = 2520 + 729/504 = 3249/504
5. 3249/504 simplified gives 361/56
6. So, 90/18 + 81/56 = 361/56
   In mixed form: 625/56

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