Three fifths
three fifths
分子是基数词，分母用序数词，需要复数时要加s
fifth直接加s
3
美国是这样的.分子用基数词,分母用序数词.如果分子大于一的话,就要把分母变复数.因为它是以th结尾,所以加s.
three fifths is the correct answer
参考资料：my knowledg e
three fifhtes(wrong)
three fifths(accepted)
three fifth(accepted)
or three per fifth
The right answer is 3.
But it also can be read as three out of five or three by five( meaning of BY here: in mathematics, we use by as 除以.
3
还有一种读法：three divided by five
3的读法是正确的。
在英语中，如果分子为1，例如1/5，则读作one fifth；若分子大于1，例如3/5，则读作Three fifths，即在分母处加s。