Hardly Anyone Remembers How to do Fractions

[Firefighter01]

I own a business where employees need to now how to work out fractions and long multiplication to do their job efficiently. Here are my questions that I placed in their interview exam to determine if they know basic maths: 
1. 1/4 + 1/3 =
2. 1/4 x 1/3 =
3. 132 x 64 =

Only about 3 applicants over dozens that have sat the exam have answered all questions correctly. Most of them got the last one right, but they used their mobile phones.  I originally thought that the questions were too easy, but apparently they are now redundant? I don't know why teachers today don't teach fractions so that their students are competent in their usage, or is it a case that they aren't considered important enough to warrant any special attention?

When you say "hardly anyone" can you suggest a way to describe how many?

I'm only guessing, but I would say around 100 applicants. Try it yourself. It's surprising how many "educated" adults today don't know how to do simple maths without using Google.