The fraction 355/113 is a famous value for π, far better than 22/7…

Step 1. Divide. $\dfrac{355}{113} = 3.14159292\ldots$

Step 2. Compare. $3.14159292 - 3.14159265 = 0.00000027$, which is $2.7 \times 10^{-7}$.

Step 3. Exactly? No. Every fraction is rational, and $\pi$ is irrational, so no fraction can equal it.