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21th or 21st – Which Spelling Is Correct? “21st” is the proper spelling and form for the number 21 in its ordinal form. The number 1 is an irregular ordinal number and the correct form is “First”. The suffix “-st” follows most numbers that end with 1 – that’s the case with “21st”. “21th” is incorrect and unacceptable.
The correct way to write the ordinal number for “21” is “21st”, not “21th”. This is because when we use ordinal numbers, we typically add the suffix “-th” to the end of the cardinal number to indicate a specific position in a sequence.
May 21, 2023 · '21th' is a grammatical error. '21st' is the correct numeric abbreviation of twenty-first. If you have time to stick around, this lesson will help you write numbers confidently. So, keep reading! Table of Contents. Which is Correct, '21th' vs. '21st?' An Overview of Ordinals. When to Use Ordinals Like '21st'
Mar 1, 2024 · Well, the correct way to write it is “21st”. Ordinal numbers are used to indicate a position in a series or sequence, such as first, second, third, and so on. They have a suffix added to the cardinal numbers to create this meaning. When we want to talk about the 21st position, we add the suffix “-st” to the cardinal number 21.
21th. Incorrect spelling, explanation: -th is a common suffix for ordinal numbers, however not all of them. Some numbers have irregular suffixes, and 1 is one of them – its ordinal form is first, so the suffix in the numeral form will be -st. 21th is, then, a mistake and the correct form is 21st.
21st or 21th? Correct spelling, explanation: this ordinal number is written in its short form with abbreviation st because its full form is twenty-first. There ordinal suffixes come from the last letters of full-word written numbers, therefore fifty-fifth is 55th, eighty-second is 82nd and twenty-first is 21st.
When writing ordinal numbers such as 1st, 2nd, 3rd, etc. you should use the last two letters on the word as it would be if you wrote out the whole word. Below are the ordinal numbers both written out and with digits for 1-20. fir st 1st. seco nd 2nd. thi rd 3rd. four th 4th. fif th 5th. six th 6th. seven th 7th.
Jul 13, 2017 · Correct spelling, explanation: 21st is an ordinal number and its full form is spelled twenty-first. It appears between twentieth and twenty-second. When an ordinal number ends with the number one, we add the irregular suffix -st to the number (except for 11, which is spelled 11th ). That’s why the correct form is 21st, not 21th. Definition of 21st:
Feb 18, 2024 · The answer is simple: “21st” is the correct form. There is no such thing as “21th” – at least, not in standard English usage. The suffix “-st” is used for all ordinal numbers ending in “1”, including “21st”, “31st”, and so on.
twelve - twelfth. In compound ordinal numbers, note that only the last figure is written as an ordinal number: 421st = four hundred and twenty-first. 5,111th = five thousand, one hundred and eleventh.
