Neoplatonism Let M = Z[1/2,1/5] (ring of polynomials evaluated at 1/2 and 1/5 with integer coefficients)) Then let K = Z[1/2] a submodule of M. Does the following calculation hold for M/K? Take 9/10 from M, then what is its congruence in M/K? 9/10 = 5/10 + 4/10 = ...