Hinduism and Buddhism have a lot of simileratys. They both had holly texts. They both believed in reincarnation and karma. Reincarnation is the process of an individuals soul or sport being reborn again. Karma is the total of good and bad actions. They believe that your good and bad actions will effect your placement in the next life. Both of them are from India.
Buddhism and Hinduism have difrences too. They both have holy texts, but they both study difrent texts. Buddhism has the four noble truths and the eightfold path. Hinduism has the vedas and the upanshads. Buddhism rejects
the caste system while Hinduism excepts it. Hinduism wants to reach moksha and Buddhism wants to reach nirvana.
As you can see, they both have similarities and differences. They both are in the same place, but they still have there difrences.