Answer :

they both has the same denominator or bottom number like 7/10 - 5/10.
smmwaite
The fractions that have the same denominators are like fractions. They can also be defined as fractions with the same bottom numbers.For example, 11/20, 13/20, 27/20 1/20... These are all like fraction. 

We can also convert unlike fraction to like fraction by simply writting them with denominators been their LCM.