Question

Patterns with Fractions
-write a rule for the sequence. then find the unknown term.

1 3/8 , 1 3/4 , 2 1/8 , __________ , 2 7/8

Rule:
please help

Answer 1

find 1 3/4 - 1 3/8

Answer 2

how do you do that

Answer 3

ok, first what is 1 3/4 as one fraction?

Answer 4

18/16

Answer 5

nope

Answer 6

think of the 1 as 4/4

Answer 7

so it should be 4/4 + 3/4

Answer 8

what is that?

Answer 9

7/8

Answer 10

but why 4/4 ? how did you get that

Answer 11

no, you don't add the denominators

Answer 12

4/4 is the same as 1

Answer 13

7/4

Answer 14

if the numerator equals the denominator, it equals 1

Answer 15

that's right

Answer 16

ok, what is 1 3/8?

Answer 17

so its 3/8 + 4/4
? right

Answer 18

no, it's 3/8 + 8/8

Answer 19

9/8

Answer 20

no, what's 3+8

Answer 21

sorry 11/8

Answer 22

ok, so we have 7/4 - 11/8

Answer 23

we need to find a common denominator

Answer 24

what times 4 equals 8?

Answer 25

its 2

Answer 26

so we multiply 7/4 by 2

Answer 27

this gives us 14/8

Answer 28

what's (14-11)/8?

Answer 29

14-11=?

Answer 30

3

Answer 31

3/8

Answer 32

That's the difference between each term

Answer 33

we know that the rule is that you add 3/8 to get the next term

Answer 34

17/8 + 3/8 =

Answer 35

solve that to get the missing term

Answer 36

20/8

Answer 37

right?

Answer 38

yep

Answer 39

now you have to reduce it

Answer 40

2 1/5 ?

Answer 41

no

Answer 42

The 2 is right though

Answer 43

20-16=?

Answer 44

4

Answer 45

ya so we get 2 4/8

Answer 46

The 4/8 can be reduced again to 1/2

Answer 47

so the answer is 2 1/2

Answer 48

oh okay Thank you Very much :)

Answer 49

no problem

Answer 50

wait how did you get "
17/8 + 3/8 ="

Answer 51

2 1/8 is 17/8 and 3/8 is what we needed to add to that term to get the unknown