Tolong ya kakak cuman 4 soal pliss​

Jawaban:

1. a) 3/4+2/5 = 15/20+8/20 = 23/20

b) 3/5+2/5-4/5 = 5/5-4/5 = 1/5

2. a) 4+2 1/3 = 4/1+7/3 = 12/3+7/3 = 19/3

b) 5-3 2/3 = 5/1-11/3 = 15/3-11/3 = 4/3

3. a) 3/5-2/10 = 6/10-2/10 = 4/10 = 2/5

b) 2 3/5-3/4 = 13/5-3/4 = 52/20-15/20 = 37/20

4. a) 3/4×2/5×1/3 = 6/60 = 1/10

b) 5/6×2 1/2×3/4 = 5/6×5/2×3/4 = 75/48