About Words - Cambridge Dictionaries Online blog

by Liz Walter

In my last post * One thousand one hundred and ninety three: how to say numbers (1)* I looked at how to say large numbers. In this post I will look at other types of numbers: mathematical numbers, telephone numbers, and years in dates.

I’ll start with words we need for talking about numbers in the context of mathematics.

For decimal numbers, we use the word **point** for the dot, and we say the numbers after the point separately:

3.2 *three point two*

9.18 *nine point one eight*

55.39* fifty-five point three nine*

For fractions, we use the word **and** before the fraction.

2 ½ *two and a half*

1 ¾ *one and three quarters*

For all fractions except *half*and *quarter*, we use ordinal numbers for the second number in the fraction:

⅘ *four fifths*

6 ⅞ *six and seven eighths*

For fractions containing numbers…

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