Hyphen In Compound Adjective With Numbers

Hyphens and Numbers

Numbers between twenty-one and ninety-nine should be hyphenated when they’re spelled out.

Fifty-six bottles of pop on the wall, fifty-six bottles of pop…

No, I won’t party “like it’s nineteen ninety-nine.”

I’ve got a hundred and twenty-two of these gizmos to sell.

Hyphen in Compound Adjective With Numbers

When numbers are used as the first part of a compound adjective, use a hyphen to connect them to the noun that follows them. This way, the reader knows that both words function like a unit to modify another noun. This applies whether the number is written in words or in digits.

The president of the company gave a 10-minute speech to the Board of Directors.

He is knowledgeable in thirteenth-century politics.

The boy threw a rock at the second-story window.

However, a hyphen is not required if the number is the second word in the compound adjective.

He is a victim of Type 2 diabetes.

This elevator doesn’t go down to Basement 3.

Hyphen In Compound Adjective With Fractions

When using a fraction (e.g. half or quarter) as part of a compound adjective, it should be hyphenated so the reader understands which fraction is modifying which noun.

I half-wanted to commit a felony.

A quarter-million dollars is still a large amount of money.

You’ll need one-third of a pound of flour and one egg.

That’s a half-baked idea if I ever heard one!

The post Hyphen In Compound Adjective With Numbers appeared first on Grammarly Blog.

from Grammarly Blog https://www.grammarly.com/blog/hyphen-in-compound-adjective-with-numbers/

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