The easiest way to compare fractions like this is convert them to a common denominator (bottom number). In this case, a common denominator for 1/3 and 1/5 is 15. Then you must convert your fractions into 15ths. Since 1/3 = 5/15ths and 1/5 = 3/15ths, that makes 1/3 larger than 1/5.



