Kak tolong bantuin serta cara nya makasih​

Nomor 2

1/3 + 1/4

= 4/12 + 3/12

= (4 + 3)/12

= 7/12

Nomor 3

2/2 + 1/4

= 1 + 1/4

= 4/4 + 1/4

= 5/4

= 1 1/4

Nomor 4

3 4/7 + 2 1/4

= 25/7 + 9/4

= 100/28 + 63/28

= 163/28

= 5 23/28

Nomor 5

1 2/3 + 2 1/2

= 5/3 + 5/2

= 10/6 + 15/6

= 25/6

= 4 1/6