[tex] \sf \dashrightarrow \dfrac{22}{7} \div \dfrac{22}{7} [/tex]
[tex] \sf \dashrightarrow \dfrac{22}{7} \times \dfrac{7}{22} [/tex]
[tex] \sf \dashrightarrow \dfrac{\cancel{22}}{\cancel{7}} \times \dfrac{\cancel{7}}{\cancel{22}} [/tex]
[tex] \sf \dashrightarrow 1 \times 1 [/tex]
[tex] \sf \dashrightarrow 1 [/tex]