Before we can evaluate a sum or difference involving mixed numbers, the mixed numbers must first be rewritten as fractions.
a bc
a* c+b/c
Simplify
2 23
2* 3+2/3
8/3
7 13
7* 3+1/3
22/3
When adding or subtracting fractions, they should have the same denominator. We can see that this is the case.
8/3 - 22/3
Now, let's perform the subtraction.
