355−145=...\frac{35}{5}-\frac{14}{5}=...535−514=...
205\frac{20}{5}520
21
4
4 154\ \frac{1}{5}4 51
Karena penyebut sudah sama, lakukan operasi pengurangan lalu sederhanakan.
355−145=215=4 15\frac{35}{5}-\frac{14}{5}=\frac{21}{5}=4\ \frac{1}{5}535−514=521=4 51