Treat a + b/c + d as a + b/(c + d)
No don't. That rule was changed more than 130 years ago. a+b/c+d=a+(b/c)+d, Division before Addition
Treat a + b/c + d as a + b/(c + d)
No don't. That rule was changed more than 130 years ago. a+b/c+d=a+(b/c)+d, Division before Addition