tolong bantuin yang dari c sampai no 6 pakai cara plis

c. 1/2 x 4/3 = 4/6 + 2/9 + 10/6 = 24/36 + 8/36 + 60/36 = 92/36 = 2 5/9

d. 3/5 x 9/7 = 27/35
1 2/3 + 2 1/2 - 27/35 = 350/210 + 525/210 - 162/210 = 713/210 = 3 83/210

5. 20/100 * 8.000 = 1.600
Rp 8.000 + Rp 1.600 = Rp 9.600