Question

what is -12 3/14 + 5 5/7 ? my teacher taught us ti regroup, but thats with subtraction?? apparently the answer is -6 1/2 but what would you do to get there? ​

Answer 1

-6 1/2

Explanation:

First, make -12 3/14 an improper fraction!

1) -12 3/14

2) -171/14

Now make 5 5/7 an improper fraction!

1) 5 5/7

2) 40/7

Now find a common denominator for both fractions! (14)

1) -171/14 <-- Already has the common denominator

2) 40/7

3) 80/14 <-- Now has 14 as denominator

Now add the two values together!

1) -171/14 + 80/14

2) -91/14

Now simplify the fraction -91/14!

1) -91/14

2) -6 1/2

Let me know if you are confused anywhere!