Question Number 31290 by jasno91 last updated on 05/Mar/18
Commented by Tinkutara last updated on 05/Mar/18
$$\frac{\mathrm{9}}{\mathrm{4}}\:{m} \\ $$
Answered by Joel578 last updated on 06/Mar/18
$$\left(\mathrm{3}\:+\:\frac{\mathrm{3}}{\mathrm{4}}\right)\:\:−\:\left(\mathrm{1}\:+\:\frac{\mathrm{1}}{\mathrm{2}}\right)\:=\:\left(\mathrm{3}\:−\:\mathrm{1}\right)\:+\:\left(\frac{\mathrm{3}}{\mathrm{4}}\:−\:\frac{\mathrm{1}}{\mathrm{2}}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:\mathrm{2}\:+\:\frac{\mathrm{1}}{\mathrm{4}}\:\:=\:\frac{\mathrm{9}}{\mathrm{4}} \\ $$