Use multiplying by 1 to find an expression equivalent to 15 Over 19 with a denominator of 19 z19z.

The equivalent expression is ..........

2 answers

Did you forget to read ALL the instructions on the Post a New Question page before you hit the SUBMIT button?

You need to indicate what you've done so far and/or what YOUR questions about each problem are.
z/z = 1

so, multiply by that.