Question

What decimal number is halfway between 14 and 15?

Answer 1

the answer to your question is14.5

Answer 2

$14+x=15-x\\\\x+x=15-14\\\\2x=1\ /:2\\\\x= \frac{1}{2} \ \ \ \Rightarrow\ \ \ 14+x=14+ \frac{1}{2} =14.5$