Add and Subtract fractions/mixed numbers

adding fractions with like denominators in simplest form

100

1/6+4/6

5/6

200

2/10+5/10

7/10

300

2/15+3/15=

1/3

400

2/20+7/20+1/20

1/2

500

2/12+5/12+(-1/12)=

1/2

Subtracting fractions with like denominators in simplest form

100

3/5-1/5=

2/5

200

9/10-3/10=

3/5

300

4/6-2/6=

1/3

400

6/12-4/12=

1/6

500

11/12-2/12-6/12=

1/4

adding mixed numbers in simplest form

100

1/6+2/3=

5/6

200

1/4+3/8=

5/8

300

2/12+1/4=

5/12

400

9/10+(-1/2)=

2/5

500

1/6+(2/3- 1/4)=

7/12

subtracting mixed numbers in simplest form

100

2/3-1/3=

1/6

200

3/4-1/3=

5/12

300

5/8-1/4=

9/10

400

5/10-1/4=

1/4

500

1/2-(-2/5)=

9/10

random

100

1/5+2/5=

3/5

200

3/20+5/20-2/10+2/5=

11/20

300

6/10-10/30=

4/15

400

4/6+1/6-4/6+7/6=

1 1/3

500

5/12+3/12-4/12+6/12-9/12+16/12=

1 5/12