0.045 USD和7/16"英语怎么说？

0.045的表达方式是point oh four five, 或是four and a half cents, four
and a half points. 前面不要加zero point， 直接用point。既然是指USD，那么最好用four and a half cents
7/16 的表达方式是seven over sixteen， seven sixteenths， 注意后面的加的S。

zero point zero four five US dollars
seven sixteenths

four and half cents

seven sixteenth inch

zero point zero four five

seven over sixteen