Math:)

fractionsadditiones

100

1/4+1/2

3/4

200

12/24+14/24

26/24

300

23/36+49/18

121/36

400

450/672+345/2688

1245/2688

500

3454/4567+5688/13701

16050/13701

nombres fractionnaires

100

1 1/2+3 2/6

4 5/6

200

23 1/2+52 2/4

76

300

45 10/20+ 39 3/5

86 2/20

400

456 8/12+ 600 3/6

1057 2/12

500

2344 23/65+ 3456 36/325

5800 151/325

soustraction

100

4-2

2

200

23-16

7

300

456-345

111

400

1234-1222

12

500

5678909- 23456

5655453

dominateur commun

100

4/6et 7/8

24

200

20/56 1/2

112

300

345/6000+2/4

24000

400

2262/8879et 3243/4655

41331745

500

67575/2535353et 455667/666444

16896707

fractions soustractions

100

6/10-1/5

4/10

200

12/24-10/12

8/24

300

204/207-123/69

450/207

400

4564/2005-69/401

4219

500

2334/4218-1232/2109

128/4218