## anonymous one year ago Find the sum of the expression 6/11+ (−3/8) ) Circle your final answer.

1. anonymous

Try finding the common denominator first.

2. anonymous

6

3. anonymous

So, first thing's first. You should find a common denominator, which is a number that both 11 and 8, your denominators, are divisible by. The easiest way to do this would be to multiply 11 and 8, giving you what?

4. anonymous

88

5. anonymous

Yep! So in order to make it nice and easy to add, then multiply the numerator and denominator by the same number.$(\frac{ 6 }{ 11 } * \frac{ 8 }{ 8 }) - (\frac{ 3 }{ 8 } * \frac{ 11 }{ 11 }) = ?$

6. anonymous

You're able to do this because 8/8 and 11/11 equals 1, so you're not changing the value of the numbers! You're simply doing the opposite of reducing them, in order to make it easier to subtract.

7. anonymous

ok ok