Multipling Fractions
Lcm
Adding Fractions

Adding
fractions
Lcm subtractions
Subtracting
fractions
100

1/4. 3/4

3/16

100

3/20+6/10

15/20

100

12/78+9/78

7/26

100

4/28-7/56

1/56

100

87/90-18/30

33/90

200

4/5. 6/7

10/35

200

34/78+98/156

1  10/56

200

60/90+50/90

1 20/90

200

6/'/90-8/180

4/180

200

78/70-67/210

167/210

300

7/8. 5/15

35/150

300

34/80=45/240

147/240

300

56/89+12/89

68/89

300

7/89-9/267

12/267

300

56/90-90/900

470/900

400

67/90.5/10

335/900

400

23/980+67/490

157/980

400

78/90+21/90

1  1/10

400
15/10-54/100

96/100

400

900/1,200-70/300

620/1,200

500

69/80.4/5

276/400

500

78/90+456/180

612/180= 4 108/180

500

87/80+90/80

2  17/90

500

54/16-89/80

181/80

500

890/700- 600/2,100

2,070/2,100