Asked by Nashea

1. 11+(-4)=7?
2. -3/5 + (8/35 )=2/8?
Answered by Ms. Sue
Your first answer is correct. Please try again on your second problem. Remember, you need a common denominator when adding or subtracting fractions.

Answered by Nashea
little confused on how to work this one got any suggestions?
Answered by Ms. Sue
Yes. First, what is the common denominator?

Answered by Ms. Sue
Nope. 5 is the greatest common factor; it is not the least common denominator.

Study this site for common denominators.

http://www.mathsisfun.com/numbers/common-denominator.html


Answered by Nashea
175?
Answered by Nashea
or would it have been 145/175?
Answered by Ms. Sue
Isn't 35 evenly divisible by both 5 and 35?

The common denominator is 35.

Please go back and study the website I posted for you.

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