A jar is filled with green, yellow and orange marbles. If 1/4 of the marbles are green and 2/7 are yellow. What fraction of the marbles are orange?
in Statistics Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

Find the common denominator of the two which in this case, would be 28. Then multiply the top by the other denominator.

1/4=7/28

2/7=8/28

Add those together and you get 15/28. Subtract 28-15 to find 13.

So, 13/28 are orange marbles

Dont forget to label! Hope this helps!!
by

Related questions

1 answer
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
84,102 questions
89,036 answers
1,992 comments
6,728 users