2/15 -1/2 + 3/10 = *pecahan*

2/15 - 1/2 + 3/10
: 4 - 15 + 9 / 30
: - 2/30
: - 1/15

Kalo bingung tanya aja!

2/15 - 1/2 + 3/10
= 4/30 - 15/30 + 9/30= -2/30= -1/15

maaf kalo jawabannya salah