3 / 7 + 7 / 12

= 85/84

1/ 12 + 3 / 2

= 38/24

1…3/7 + 4 / 5

78/35

2,7 + 5 /8

= 234/80

1,04 + 3…4/6

= 2824/600

9 / 10 + 4 / 7

= 103/70

5 / 8 + 3 / 8

= 55/64

3…1/5 + 2 / 9

= 154/45

0,06 + 5 / 6

= 536/600

3…5 / 7 + 0,02

2614/700

9 / 45 + 5 / 6

= 279/270

2 / 4 + 3 / 6

= 24/24

1…7 / 8 + 5 / 6

= 130/48

4,008 + 6 / 9

= 36672/9000

1,4 + 6,0403

= 704030/100000

12 /13 + 1/ 2

= 37/26

7 / 14 + 2 / 5

= 63/70

12…1/3 + 6 / 7

= 277/21

0,0005 + 2 / 7

= 20035/70000

0,03 + 4,09

= 412/100