Question

(1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product
A 32
B 28 (My answer)
C 24
D 21

(2.) Find the sum 3/9 + 4/9
A 7/9
B 7/18
C 7/81 (my answer)
D 2/3

(3.) Find the Sum 14 2/9 + 11 2/3
A 25 8/9
B 25 1/9
C 25 1/6 (my answer)
D 25 2/3

(4.) Find the Sum -4/9 + (-1/3)
A 1/9 (My answer)
B 4/27
C -5/12
D -7/9

(5.) Find the Difference 4/7 - 3/6
A 1
B 1/42 (my answer)
C 1/14
D 5/21

(6.) -3 5/9 -1 3/9
A -2/9 (my answer)
B -4 8/9
C 2 1/9
D 2 2/9

Answer 1

Number 2 ?
if you add 1/2 and 1/2 do you get 2/4 = 1/2 ?

Answer 2

1. yes
2. no
3. no
4. no
5. no
6. no

Please study your text and don't guess.

Answer 3

number 3
2/9 + 6/9 = 8/9 in my world

Answer 4

Hey, to add or subtract fractions you need a common denominator
for example
4/7 - 3/6
7 is a prime number so we will have to use
7 * 6 = 42

(4/7)(6/6) = 24/42
(3/6)(7/7) = 21/42
now what is 24 -21?
three
so
3/42 which is 1/14

Please stop guessing and try to do the problems.

Answer 5

They are not guessing. I think they are really trying and might just have a hard time doing this subject.