explain how you know that 21/30 is greater than 2/3. Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Also, I need a FOURTH GRADE ANSWER, nothing else, perferibly using fraction strips.
2/3 times 10 equals 20/30 and 21 is greater than 20.
21/30 is greater than 20/30 or 2/3
as long as both number have a zero on the end that zero isnt nedded