GrassSteel
Grass/Steel weaknesses
Grass/Steel is weak to Fire and Fighting, and takes 4× from Fire.
When Grass/Steel Pokémon are hit
4×Hits hardest
2×Super effective
½×Not very effective
¼×Barely scratches it
0×No effect
Its two types separately
Multiply the two to get the result. For example, Fire deals 2× × 2× = 4×.