1.小數(shù)表示法
小數(shù)點左邊的數(shù)通常按基數(shù)詞讀,若為三位以上的數(shù),也可按編碼式讀法讀出,即將數(shù)字單個讀出；小數(shù)點右邊的數(shù)通常按編碼式讀法單個讀出.如：
6.86 six point eight six
14.15 fourteen point one five
345.456 three four five point four five six
或three hundred and forty－five point four five six
(2) 小數(shù)中“0”的讀法
“0”在小數(shù)中通常讀作nought（英）或zero（美）,也可讀作字母o.如：
0.08 （nought）point nought eight 或 （zero）point zero eight
9.07 nine point o seven
2.分數(shù)表示法
(1) 較小分數(shù)的一般讀寫方法.如：
1/3 one-third 2/3 two-thirds 3/5 three-fifths
(2) 較復雜分數(shù)的簡明讀寫方法.如
22/9 twenty-two over nine
a/b a over b 或 a divided by b 43/97 forty-three over ninety-seven
(3) 整數(shù)與分數(shù)之間須用and連接.如：
four and a half nine and two fifths
(4) 分數(shù)用作前置定語時,分母要用單數(shù)形式.注意下列寫法與讀法.如：
a one-third mile　1/3英里 a three-quarter majority　3/4的多數(shù)