DIVIDE Performs division and returns alternate result or BLANK() on division by 0.
Syntax
DIVIDE(numerator, denominator [,alternateresult])
Parameters
Numerator – The dividend or number to divide.
Denominator – The divisor or number to divide by.
Alternateresult – (Optional) The value returned when division by zero results in an error. When not provided, the default value is BLANK().
Return Value
A decimal number.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference