bantu prku bnyk bngt

2. 58/7 - 7/6 + 4/1
= 348/42 - 49/42 + 168/42
= 467/42
= 11 5/42

4. 48/120 masing2 dibagi 24
= 2/5

5. 35% = 35/100= 7/20