Seventy nine or Seventy-nine?

Seventy nine or seventy-nine?

In this article we show you how to write 79 in English words correctly.

In addition, we provide you with the grammar rule right away. 🙂

Regardless of where they appear in a number, hyphenate all compound numbers between 21 and 99 (not 30, 40, 50, 60, 70, 80, and 90) such as 79. In other words:

Hyphenate all numbers between twenty-one and ninety-nine, except those divisible by ten, even if the compound number is preceded or succeeded by numbers that do not require hyphens.

Thus, the correct spelling of 79 is seventy-nine (hyphenated).

Along the same lines:

• 79,000 = seventy-nine thousand (hyphenated).
• 79,000,000 = seventy-nine million (hyphenated).
• 79,000,000,000 = seventy-nine billion (hyphenated).

Seventy-nine or Seventy nine Spelling

It doesn’t matter which noun follows the adjective, the grammar rule explained above remains in place.

In the examples below the correct spelling is underlined.

Seventy nine years or seventy-nine years?
Seventy nine percent or seventy-nine percent?
Seventy nine hours or seventy-nine hours?

Frequently Asked Questions about Seventy Nine

Does seventy nine have a hyphen?

Yes, 79 has a hyphen and is spelled correctly as seventy-nine.

Do you hyphenate seventy nine?

Yes, you put a hyphen between seventy and nine: seventy-nine.

Does seventy nine need a hyphen?

As 79 is a compound number in between 21 and 99 it needs a hyphen; therefore writing 79 in full is seventy-nine.

In the table below we show you the correct spelling of some numbers succeeding and precededing 79:

Seventy ninth or Seventy-ninth?

In the following examples the correct spelling is underlined.

Seventy ninth part or seventy-ninth part?
Seventy ninth day or seventy-ninth day?
Seventy ninth hour or seventy-ninth hour?

Frequently Asked Questions about Seventy ninth

• Does seventy ninth have a hyphen? Yes, the ordinal number for 79 has a hyphen and is spelled correctly as seventy-ninth.
• Do you hyphenate seventy ninth? Yes, you put a hyphen between seventy and ninth: seventy-ninth.
• Does seventy ninth need a hyphen? 79 is a compound number in between 21 and 99 which needs a hyphen. Thus, writing 79th in full is seventy-ninth.

Seventy ninth or Seventy-nine?

As you already know, 79 as cardinal numeral is seventy-nine, and 79 as ordinal numeral is seventy-ninth.

Thus, the question in the subtitle above mixes two distinguished linguistic concepts and cannot be answered as such.

Observe that you can always check how to spell a number in full correctly using our converter below.

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Spelling: Seventy-nine

Summary

As explained by the hyphens-in-numbers rule, 79 = seventy-nine.

If you are happy with our information, then you may also be interested in our article eighty-one or eighty one.


We love to hear your feedback and answer any question about how to correctly write 79 you might have.

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– Article written by Mark, last updated on May 5th, 2023