Answer:
[tex]Unused = \frac{1}{12}m[/tex]
Step-by-step explanation:
Given
[tex]Total= \frac{3}{4}m[/tex]
[tex]Used= \frac{2}{3}m[/tex]
Required
Determine the part left
The part left is calculated using:
[tex]Used + Unused = Total[/tex]
[tex]Unused = Total - Used[/tex]
[tex]Unused = \frac{3}{4}m - \frac{2}{3}m[/tex]
Take LCM
[tex]Unused = \frac{9m - 8m}{12}[/tex]
[tex]Unused = \frac{1m}{12}[/tex]
[tex]Unused = \frac{1}{12}m[/tex]