Answers

Add 90/9 and 72/8

1^st number: 10 0/9, 2^nd number: 9 0/8

90/9 + 72/8 is 19/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 9 × 8 = 72,
   90/9 = 90 × 8/9 × 8 = 720/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   72/8 = 72 × 9/8 × 9 = 648/72
4. Add the two like fractions:
   720/72 + 648/72 = 720 + 648/72 = 1368/72
5. 1368/72 simplified gives 19/1
6. So, 90/9 + 72/8 = 19/1

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