Difference between Subnetting and Supernetting?

Subnetting is the process of dividing an IP network in to sub divisions called subnets whereas****;Super netting is the process of combining several IP networks with a common network prefix. Supernetting will reduce the number of entries in a routing table and also will simplify the routing process. In subnetting, host ID bits (for IP addresses from a single network ID) are borrowed to be used as a subnet ID, while in supernetting, bits from the network ID are borrowed to be used as the host ID