Answers

Add 72/8 and 90/36

1^st number: 9 0/8, 2^nd number: 2 18/36

72/8 + 90/36 is 23/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 36 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 8 × 9 = 72,
   72/8 = 72 × 9/8 × 9 = 648/72
3. Likewise, for the 2nd fraction, since 36 × 2 = 72,
   90/36 = 90 × 2/36 × 2 = 180/72
4. Add the two like fractions:
   648/72 + 180/72 = 648 + 180/72 = 828/72
5. 828/72 simplified gives 23/2
6. So, 72/8 + 90/36 = 23/2
   In mixed form: 111/2

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