Hamda Talat Fozy Sorial2018-07-122018-07-122018http://hdl.handle.net/123456789/12218Thesis Presented as a Partial Fulfillment for MASTER OF SCIENCE IN MATHEMATICSAbstract The aim of this research is to solve the nonlinear fractional Fisher’s equation by using a new modification of Homotopy Perturbation Method (HPM) with Caputo and Reimman derivative and using by the Adomian Decomposition Method (ADM) then we change the period in Fisher’s equation and solved it by new modification of HPM with Caputo and Reimman derivative .enfractional Fisher’sThesis