Answers

Add 90/2 and 63/8

1^st number: 45 0/2, 2^nd number: 7 7/8

90/2 + 63/8 is 423/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 8 is 8
   
   Next, find the equivalent fraction of both fractional numbers with denominator 8
2. For the 1st fraction, since 2 × 4 = 8,
   90/2 = 90 × 4/2 × 4 = 360/8
3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
   63/8 = 63 × 1/8 × 1 = 63/8
4. Add the two like fractions:
   360/8 + 63/8 = 360 + 63/8 = 423/8
5. So, 90/2 + 63/8 = 423/8
   In mixed form: 527/8

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