Turning and adding a denominator of 10 to a denominator of 100

Adding fractions

100

3/10+21/100=

51/100

200

35/100+6/10=

95/100

300

3/10+4/100=

34/100

400

1/10+82/100=

92/100

500

32/100+22/100=

54/100

what fraction is equal to this fraction

100

5/10

50/100

200

30/100

3/10

300

4/10

40/100

400

60/100

6/10

500

9/10

90/100

is this fraction less then equel to or greater then 1/2

100

36/100

36/100 is less then 1/2

200

5/10

5/10 is equle to 1/2

300

66/100

66/100 is greater then 1/2

400

50/100

50/100 is equle to 1/2

500

7/10

7/10 is greater then 1/2