Question

I need help pls

7a/9bc ÷ 21a/12b​

Answer 1

`\displaystyle (7a)/(9bc) /(21a)/(12b) =(\backslash\!\!\!\!7a)/(9 \backslash \!\!\!b \ c) \cdot (4\backslash\!\!\!b)/(\backslash\!\!\!\!7a) =\boxed{(4)/(9c) }`

Answer 2

• Refer to the attachment please :-)