# Math

posted by Tyler

How much is -3 1/5 + 12 3/8?

1. Ms. Sue

You need to first get a common denominator.

12 3/8 = 12 15/40
3 1/5 = 3 8/40

12 15/40 - 3 8/40 = ?

2. Tyler

so the answer is 9 7/40

3. Ms. Sue

Right.

## Similar Questions

1. ### Math

Q:Mr.Camacho invested twice as much in a savings account at 6.5% as he invested in a U.S. Treasure Note at 7%. If his yearly income from both investments is \$800.00, how much has he invested at 6.5% and how much at 7%?
2. ### math

on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you \$70. how much did you earn each day
3. ### math

If the radius of this cylinder is doubled, its volume will be twice as much four times as much eight times as much is it four times as much?
4. ### Math

Colin is working to earn some money for a new cd player. On saturday he earned half as much as he did on sunday, but twice as much as he did on friday. During those three days he earned \$70. How much did he earn each day?
5. ### math

Colin is working to earn some money for a CD player.On Saturday he earned half as much as he did on Sunday,but twice as much as he did on Friday.During those three days he earned \$70.How much did he earn each day?
6. ### math

A sum of RM1,600 is to be distributed among A, B and C. A will get 4 times as much as B and B 3 times as much as C. How much will A get?
7. ### Hitory

By 1890, United States factories produced _______ as those of Britain. A. half as much B. twice as much C. three-quarters as much D. one-quarter as much i think its B
8. ### MATH

I am new to this site. I am not sure if my last post went thru, with my calculations for review, so I will copy and paste my entire query. Thanks for your assistance. === Additional questions: this is for a form I need to fill out …
9. ### Math

Jared bought a cell phone for \$42. Juanita spent 1 1/2 times as much. How much did she spend?
10. ### physics?

In order to wake a sleeping child, the volume on an alarm clock is tripled. Under this new scenario, how much more energy will be striking the child's ear drums each second?

More Similar Questions