3 per 8 +0.375+64.5%=.......

3/8 + 0,375 + 64,5%
0,375 + 0,375 + 0,645
1,395
375/1000+ 375/1000+ 675/1000
1395/1000

3/8 + 0,375 + 64,5% = 3/8 + 375/1000 + 645/1000 = 3/8 + 3/8 + 129/200 = 75/200 + 75/200 + 129/200 = 279/200 = 1 79/200

maaf kalo salah