Add fractions with unlike denominators

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Which statement best explains why ben uses the width hi to create the arc at j from point k