1. 4/5 + 3/4=2. 2/7+ 1/4=3. 2 2/5 + 5/8=4. 3 2/8 + 4 4/5=tolong bantu jawab ya kak​

4/5 + 3/4

= 16/20 + 15/20

= 31/20

= 1 11/20

2/7 + 1/4

= 8/28 + 7/28

= 15/28

2 2/5 + 5/8

= 12/5 + 5/8

= 96/40 + 25/40

= 121/40

= 3 1/40

3 2/8 + 4 4/5

= 26/8 + 24/5

= 130/40 + 192/40

= 322/40

= 8 2/40

= 8 1/20