Sagot :
[tex]Solution; \\ 2\frac{1}{2}- \frac{3}{4}=? \\ \\ \frac{5}{2}- \frac{3}{4}=? \\ \\ \frac{5\times2}{2\times2}\to\frac{10}{4}- \frac{3}{4}=\boxed{\boxed{ \frac{7}{4}\ or\ 1\frac{3}{4}}} \\ \\ Hope\ it\ Helps:) \\ Domini [/tex]