Yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted yo momma farted
You can only say for sure that 1/4 of a whole thing is less than 1/3 of a whole thing if the whole things are equal size.
If Marty's pizza was 1/3 bigger than Luis' pizza, then they both ate the same amount. If Marty's was MORE than 1/3 bigger than Luis', then Marty ate more pizza.