To divide 3.56 by 2.216, we can multiply both the numerator and the denominator by a power of 10 so that there are no decimals.
Step 1: Multiply the numerator and denominator by 1000 to get rid of the decimals:
\frac{3.56}{2.216} = \frac{3.56 \times 1000}{2.216 \times 1000} = \frac{3560}{2216}
Step 2: Simplify this fraction by dividing both the numerator and the denominator by their greatest common factor, which is 8.
\frac{3560}{2216} = \frac{445}{277}
So, 3.56 \div 2.216 = \frac{445}{277} .
Answer: 3.56 \div 2.216 = \frac{445}{277}