When we use the identity property of multiplication to convert units, we need to make sure the units we want to change from will divide out. We will add the weights of the steaks to find the total wei...When we use the identity property of multiplication to convert units, we need to make sure the units we want to change from will divide out. We will add the weights of the steaks to find the total weight of the steaks. To make conversions in the metric system, we will use the same technique we did in the US system. Using the identity property of multiplication, we will multiply by a conversion factor of one to get to the correct units.