Answers

Add 90/8 and 63/4

1^st number: 11 2/8, 2^nd number: 15 3/4

90/8 + 63/4 is 27/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 4 is 8
   
   Next, find the equivalent fraction of both fractional numbers with denominator 8
2. For the 1st fraction, since 8 × 1 = 8,
   90/8 = 90 × 1/8 × 1 = 90/8
3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
   63/4 = 63 × 2/4 × 2 = 126/8
4. Add the two like fractions:
   90/8 + 126/8 = 90 + 126/8 = 216/8
5. 216/8 simplified gives 27/1
6. So, 90/8 + 63/4 = 27/1

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