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Add/Subtract Same Denominators
Reciprocal
LCM
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Add decimals
100

2/6 + 1/6=

3/6

100

2/5

5/2

100

LCM of 4 and 8

8

100

1/4 + 3/8=

5/8

100

1.2 + 1.3

2.5

200

7/8 - 2/8 =

5/8

200

8/12

12/8

200

LCM of 3 and 4

12

200

3/15 + 3/5 =

12/15

200

3.7 + 5.6 = 

9.3

300

2/12 + 4/12 =

6/12

300

5/10

10/5

300

LCM of 2 and 7

14
300

1/3 + 2/4

10/12

300

4.75 + 4.26

9.01

400

4/12 - 3/12=

1/12

400

1/2

2

400

LCM of 5 and 4

20

400

2/7 + 3/14 =

7/14

400

4.12 + 5.24 + 7.67 = 

18.03

500

1/10 + 2/10 + 3/10=

6/10

500

3

1/3

500

LCM of 6 and 8

24

500

7/14 reduced is

1/2

500

6.67 + 66.67 + 666.67 =

740.01