Question

Reduce the ratio to its lowest form. 63:9

Answer 1

`\begin{gathered} We\text{ know that } \\ 63=9\cdot7 \\ \\ \text{ thus } \\ 63\colon9\text{ is the same as } \\ \\ (63)/(9)\colon(9)/(9) \\ \\ 7\colon1 \\ \\ \text{ The new ratio is 7:1} \end{gathered}`