She saves 1/10 of her salary. That's the simplified version, it can also be written 10/100. Fractions, decimals, and percentages are all interchangeable.
4 1/3 x 3 x 1 ¼
12 ¾ x 3 x 1 1/4
Your lucky that I just had the question on a test and realized you didn't make it into fractions.
I believe you meant the equal signs to be division symbols haha. The next step would be 18/6.