Answer:
add 8 to 2 and then multiply the 8 with 12.
Step-by-step explanation:
Answer:
Step-by-step explanation:
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Answer:
Look below
Step-by-step explanation:
So I will use an example to try and show you how to do this.
If we have 
, we know that we don't have like denominators. We can change this by finding one. All we need to do is multiply our denominators. So in our example, that would be 
. Our new denominator would be 6. So now we would have 
which isn't the same as our old equation. That is because we haven't multiplied our top numbers yet. To do this, we need to multiply the top number by the opposite denominator like so, 
.
So our first fraction was
We then multiplied the whole fraction by the opposite denominator
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- 4 1/5 = -21/5 = -42/10
-13 1/10 = -131/10
-42/10 - -131/10=
-42/10 + 131/10 = 89/10 = 8 9/10
answer is A
