Answer:
2/4 = treble clef (if you don't what it is search) | 2 quarter notes | 2 half notes |
3/4 = treble clef | 1 half note and 1 quarter note | 2 half notes
4/4 = treble clef | 1 half note and 2 quarter note | 2 half notes
Others:
This is like adding, if you know how much beats there is in notes and rests it will be easier. The "|" is added. HOPE THIS HELPS!!