The answer is 31/40
because first you got cane both of the fraction to the same denominator.
72/80 + 70/80
Add 72+70=142.
142/80 change it to an mixed number and it will be 1 31/40 in simplest form.
Answer:
Here is the ans...hope it helps:)
A negative number is a number that isn’t going down and a positive is a number that is going up on a number scale

Since 5 is divisible by 10 and 5, we can factor out a 5 from both terms.
The answer is B)x+y=y+x.
This is just changing the order of the numbers to get the same equation....\
So for example if I have 2+7 and I use the property of addition It would give me 2+7=7+2.
Pls mark brainliest if this helped!