# Math Help - rings

1. ## rings

If R₁ and R₂ are subrings of the ring R, then prove that R₁∩R₂ is a subring of R.

2. Originally Posted by bookie88
If R₁ and R₂ are subrings of the ring R, then prove that R₁∩R₂ is a subring of R.
What have you tried?