Question

21yz over 49xyz, what is the answer

Answer 1

3/7x

Explanation:

21yz

--------------

49xyz

We can break this into pieces

21 1 y z

--- * ---- * ----- * ----

49 x y z

Now we can simplify. canceling the y terms and the z terms

3*7 1 1 1

------ * ---- * ----- * ----

7*7 x 1 1

Now we can simplify canceling the 7 terms

3 1

------ * ----

7 x

We are left with

3/ 7x