Because 3 2/4 would be the answer when you subtract it and most teachers and/or tests want you to simplify the answer which would be 1/2 because you would divide the numerator and denominator by 2.
Answer:

Step-by-step explanation:
We have that:

Now we can find a+b

Answer:
True
Step-by-step explanation:
Both sides (right side and left side) of the equation are indeed equal.
I hope this helps!
Draw a circle 5 CM find the length then divid that
45 you need to fix the question for example what does theths mean