tolong di jawab ya pakai cara yang di buletin ya

3. 15% + 5/20 =
15/100 + 5/20 =
15 + 25/100 =
40/100 =
20/50 =
10/25 =
2/5.

8. 1/5 + 0,2 + 20% =
1/5 + 2/10 + 20/100 =
20 + 20 + 20/100 =
60/100 =
30/50 =
15/25 =
3/5.
Semoga bisa membantu ya...