Which is greater 4/5 or 13/15

4/5 or 13/15.

Let us try to make the bottom of the first fraction to be 15, by multiplying the bottom 5 by 3, and of course we would multiply the top also.

(4/5) * (3/3) = 12/15

So we are now comparing: 12/15 and 13/15

We can see that 13/15 is greater, because it has a higher numerator.

So 13/15 is greater than 4/5

OR

4/5 13/15 Cross Multiply

4*15 13*5

60 65

60 < 65

Implies that 4/5 is less than 13/15 and hence 13/15 is greater than 4/5.

OR

Use your calculator and convert both to decimal

45 13/15

0.80 0.8667

You can see that 13/15 is greater than 4/5.