Question

Why is 21 over 30 bigger than 2 over 3?

Answer 1

21/30 reduced to 7/10 and when 2/3 finds a common denominator it is 30. 2/3 would be 20/30 and 7/10 would be 21/30 making 21/30 larger.

Answer 2

21/30 simplifies to 2.1/3 so it's a little bit bigger