Five and one third times twenty eight

Can you simplify 4/7? 24 points will be awarded!

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)