You can see screenshots and follow screenshots to know how you can find your liked photos and this method work for iPhone and Android phones both .
Go to Your Profile and Click on three lines or menu botton on top right corner .
2. Select “Your Activity” option .
3. In “You Activity” menu , Click on Interaction Tab
4 Then Click on Like , you can also see comments and other things you have made previously or if you are checking someone one else profile , then you can see comments and like and other history .