通常将分子读为基数，将分母读为序数。

　　1/2 = a (or one) half

　　1/3 = a (or one) third

　　1/4 = a quarter or one fouth

　　1/5 = a (or one) fifth

　　2/3 = two thirds

　　9/10 = nine tenths

　　53/4 = five and three quarters

　　15/64= fifteen over (or by) sixty-four

　　15% = fifteen per cent

　　4‰ = four per mill

　　Decimals 小数

　　0.4 = zero (or nought) point four

　　.01 = point (or decimal) nought one

　　12.34 = twelve point three four

　　567.809 = five hundred and sixty-seven point eight nought nine

　　30.45 = thirty point four five, five recurring

　　0.3% = decimal three percent