Reduce the fraction 4/10
The fraction 4/10 can be reduced by dividing both the numerator and the denominator by their greatest common divisor, which in this case is 2. 

This will give you the reduced fraction 4/10 ÷ 2/2 = 2/5.
Complete the following task based on the instruction and optional input provided.### Instruction:
Reduce the fraction 4/10

### Output:
The fraction 4/10 can be reduced by dividing both the numerator and the denominator by their greatest common divisor, which in this case is 2. 

This will give you the reduced fraction 4/10 ÷ 2/2 = 2/5.