# Thread: Test soon. Help?

1. ## Test soon. Help?

Hello. High school student. Bad with math. I have a pre-test work sheet and I need help on some of the questions. My real test is in two days.

EX:

1/2 + 2/3

I know this equals 3/5, but it wants me to reduce to lowest terms. I looked at the answer key and the answer is 11/6. I am confused as how it got reduced there... there's also another one on subtraction. Can I get help with both?

More questions.

EX:

"There's a sale. 1/4 off of the price $39 dollar jeans. What is the total cost?" I don't know how to do this... EX: "Truck rental terms. Hourly rate is$12, plus \$0.13 per mile. Jack rented a truck at 9:30 AM and returned it ar 1:00 PM. He drove 16 miles. How much was he charged for time and mileage?" How do I write this into an equation to figure it out...??

Lastly, can someone direct me to a video that simply breaks down inches, feet, centimeters, and millimeters and all that. We come across measurement a lot and I get lost quickly... that'd be helpful.

Thank you reading and I'd appreciate some help.

2. Originally Posted by Icarus
Hello. High school student. Bad with math. I have a pre-test work sheet and I need help on some of the questions. My real test is in two days.

EX:

1/2 + 2/3

I know this equals 3/5, but it wants me to reduce to lowest terms.
[snip]
Sorry, that's not correct and is probably symptomatic of deeper problems you have, above and beyond what MHF can help with. A pre-test is meant to identify problems you have so that you can get help from your teacher beforehand.
The common denominator is 2x3 = 6. Now express each fraction over this common denominator:

1/2 = 3/6.

2/3 = 4/6.

So you need to find 3/6 + 4/6.

But MHF cannot provide the general remedial help you need. You must go to your teacher for help.

3. Originally Posted by Icarus

EX:

1/2 + 2/3

I know this equals 3/5,
Huh? how so?

4. Originally Posted by pickslides
Huh? how so?
I think he just added the numerators and the denominators separately.......