Fan and Medal! :)
Create three fractions by replacing the word 'blank' in each fraction with a variable or number. You can use the same value or three different replacement values. Explain all the work in simplifying your new addition problem.

3/blank + blank/a^2 - blank/a^3

Question

Fan and Medal! :) 
Create three fractions by replacing the word 'blank' in each fraction with a variable or number. You can use the same value or three different replacement values. Explain all the work in simplifying your new addition problem. 

3/blank + blank/a^2 - blank/a^3

anonymous · Answer

3/blank + blank/a^2 - blank/a^3

You can out whatever you want
For the first, the simplest is to put 3a^3, this results cancelling. 
The other 2 blanks can be one. 
3/3a^3+ 1/a^2 - 1/a^3=1/a^2