25% + 0, 25 dikali 1 ⁴per5

1/4+1/4x1/5=1/4+1/20=6/20=3/5

25%1per4
0,25=1per4
1⁴per5=1⁴per5
dahulukan kalian jadi 1per4×1⁴per5=9per20
lalu 9per20+1per4=7per10
jawabannya semua sudah disederhanakan