10.5/7-4/6

A.1/21***
B.1
C.1/42
D.1/14

11.-3 7/9 - 1 2/9
A.-2 5/9***
B.2 5/9
C.-5
D.4 5/9

12. 6 1/3 - 4 4/9
A.2 1/3 ***
B.2 2/3
C.1 8/9
D.1 2/3

13. Kevin had 3/4 yard of string. He used 1/3 of the string for a school project. How many yards of string did he use for his project?

A.5/12***
B.1/3
C.7/12
D.1/4

Find the product.

14. 3/5 OF 50
A.15
B.25
C.50 3/5
D.30***

15. 13 * 2/3
A.8 2/3
B.14 1/2***
C.26
D.19 1/2

16. 3/10 * 2/10
A.3/50
B.1/20
C.3/5***
D.1/10

17. -4 2/3 * 1 4/5
A. -7 4/5
B. 5 14/15***
C. -8 2/5
D. 6 1/5

18. 2 3/7 * 2/3
A.1 17/21
B.2 1/21
C.1 4/7
D.1 13/21***

19.3/7 / 3/4
A.1/3
B.4/7
C.5/6
D.9/28

20. -7/3 / -13/7
A.-4 1/3
B.-1 10/39
C.2 2/21
D.1 10/39

21.7 / 7/8
A.49/56
B.6 1/8
C.8 1/8
D.8

22. -3 2/6 / 1 1/2
A.9/20
B.-3 2/3
C.-2 2/9
D.9/20

D.1 13/21

3 answers

FOR NUMBER 19, MY ANSWER WAS B
20, D
21,A
22,B
SRRY, I FORGOT TO LIST MY LAST ANSWERS
PLZZZZZ HELP!
If you post three or four of these that are most confusing to you, I'll be glad to check them.
13. Kevin had 3/4 yard of string. He used 1/3 of the string for a school project. How many yards of string did he use for his project?

A.5/12***
B.1/3
C.7/12
D.1/4
==============================

1/3 * 3/4 = 1/4

I do not have time to go through all these but noticed this immediately