Answers

Add 90/18 and 63/56

1^st number: 5 0/18, 2^nd number: 1 7/56

90/18 + 63/56 is 49/8.

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,
   63/56 = 63 × 9/56 × 9 = 567/504
4. Add the two like fractions:
   2520/504 + 567/504 = 2520 + 567/504 = 3087/504
5. 3087/504 simplified gives 49/8
6. So, 90/18 + 63/56 = 49/8
   In mixed form: 61/8

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