Question:

# Can you Explain how you know 21/30 is greater than 2/3?

## To compare fractions that have different denominators we must convert them all to a set of fractions that have the same denominator. The lowest common denominator is 30. So, the equations would be 21/30 and 20/30. Therefore 21/30 is greater than 20/30.

Tags:
lowest common denominator
Mathematics
Arithmetic
Numbers
Elementary arithmetic
Fractions
Division
Number theory
Egyptian fraction
Continued fraction
Education

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