We use quantifiers before nouns to talk about quantities.
We use fewer with countable nouns when we compare two things, to say that one thing is smaller in number than another thing.
- I have fewer books than you.
- There are fewer men than women in the group.
We use less with uncountable nouns when we compare two things, to say that one thing is smaller in amount than another thing.
- I eat less chocolate than my older sister.
- I earn less money than him.
We use more with countable or uncountable nouns when we compare two things, to say that one thing is bigger in number or amount than another thing.
- There are more women than men in the group.
- My sister eats more chocolate than me.