*Fraction Comparison Calculator* is an online tool for number conversion programmed to perform the comparison between the two fractions (a/b) and (c/d). It can also simplify each fraction in to its equivalent value in decimal or decimal fraction notation. The comparison is used here to find out relationship between the two fractions such as it can determine which fraction is greater or lesser among the two given fractions A and B. Every fraction used here is containing its numerator and denominator. These numerator and denominator values in both fractions considered as input values to perform the fraction comparison between the two