3/8 + 3/10 =...........

3/8 + 3/10 = ....
samakan penyebut, kpknya 40
40/8 = 5
40/10 = 4
3x5 = 15
3x4 = 12
12/40 + 15/40 = 27/40

3/8 + 3/10
= 15/40 + 12/40
=27/40

kalau salah moho. di.aafkan