Equivalent Ratios 2

Directions: Using each of the digits 0-6 only once, make two equivalent ratios (also known as a proportion).

Hint

Can multiples help us find equivalent fractions?

Answer

Number of Unique Solutions: 6

1: 4/13 = 20/65
2: 4/20 = 13/65
3: 5/10 = 23/46
4: 5/10 = 32/64
5: 5/23 = 10/46
6: 5/32 = 10/64

Source: AnneMarie Untalan

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29 comments

  1. i picked #6 because 5 times 2 =10 and 32 times 2 =64 and together will get 10/64

  2. 5/23=10/46

  3. I like this website it helps me understand it

  4. Yea I also like this website

  5. i did 64 times two equals 128

  6. 4/13 = 20/65

  7. 3/14 = 6/28

  8. 5/10=23/46

  9. Also, because that was on the answer sheet, I’ll do 10/5=46/23.
    Don’t forget…..
    …..Improper fractions!

  10. 4/13=20/65

  11. how do you put them in

  12. 5/10 = 32/64

  13. 5/23 = 10/46
    5/32 = 10/64

  14. how do we write them

  15. 8/24 = 19/57 is another solution. So is 9/21 = 36/84

  16. 4/8 = 8/16 this is equal bc if u do 4 x 2 it’s –
    =‘s 8 then 8 x 2 =16.

  17. 4/8 = 8/16 this is equal if you do 4 x 2 it’s = 8s then it’s 8×2=16

  18. I did 4/8=8/16 because 4*2=8 and 8*2=16 which makes 8/16.

  19. I did 4/8=8/16 because 4*2=8 and 8*2=16 which gives you 8/16.

  20. 5/23 = 10/46 I make like that

  21. Rudolf Österreicher

    If we allowed digits from 0 to 9, there’d be 350 solutions, out of which only 110 have no leading zeros:

    4/10 = 38/95
    4/13 = 20/65
    4/17 = 20/85
    4/20 = 13/65
    4/20 = 17/85
    4/38 = 10/95
    5/10 = 23/46
    5/10 = 32/64
    5/10 = 34/68
    5/10 = 36/72
    5/10 = 38/76
    5/10 = 39/78
    5/10 = 43/86
    5/10 = 46/92
    5/10 = 48/96
    5/12 = 40/96
    5/17 = 20/68
    5/19 = 20/76
    5/20 = 17/68
    5/20 = 19/76
    5/23 = 10/46
    5/32 = 10/64
    5/34 = 10/68
    5/36 = 10/72
    5/38 = 10/76
    5/39 = 10/78
    5/40 = 12/96
    5/43 = 10/86
    5/46 = 10/92
    5/48 = 10/96
    6/10 = 27/45
    6/12 = 35/70
    6/12 = 39/78
    6/12 = 45/90
    6/15 = 28/70
    6/15 = 32/80
    6/17 = 30/85
    6/27 = 10/45
    6/28 = 15/70
    6/30 = 17/85
    6/32 = 15/80
    6/35 = 12/70
    6/39 = 12/78
    6/45 = 12/90
    7/12 = 35/60
    7/14 = 28/56
    7/14 = 29/58
    7/15 = 28/60
    7/15 = 42/90
    7/16 = 35/80
    7/18 = 35/90
    7/28 = 14/56
    7/28 = 15/60
    7/29 = 14/58
    7/35 = 12/60
    7/35 = 16/80
    7/35 = 18/90
    7/42 = 15/90
    8/10 = 36/45
    8/10 = 76/95
    8/12 = 30/45
    8/12 = 36/54
    8/13 = 40/65
    8/14 = 20/35
    8/14 = 32/56
    8/15 = 32/60
    8/16 = 27/54
    8/16 = 35/70
    8/16 = 45/90
    8/19 = 24/57
    8/19 = 32/76
    8/20 = 14/35
    8/24 = 19/57
    8/27 = 16/54
    8/30 = 12/45
    8/32 = 14/56
    8/32 = 15/60
    8/32 = 19/76
    8/35 = 16/70
    8/36 = 10/45
    8/36 = 12/54
    8/40 = 13/65
    8/45 = 16/90
    8/76 = 10/95
    9/12 = 36/48
    9/12 = 45/60
    9/12 = 63/84
    9/13 = 54/78
    9/15 = 42/70
    9/16 = 27/48
    9/16 = 45/80
    9/18 = 23/46
    9/18 = 27/54
    9/18 = 32/64
    9/18 = 35/70
    9/18 = 36/72
    9/21 = 36/84
    9/23 = 18/46
    9/27 = 16/48
    9/27 = 18/54
    9/32 = 18/64
    9/35 = 18/70
    9/36 = 12/48
    9/36 = 18/72
    9/36 = 21/84
    9/42 = 15/70
    9/45 = 12/60
    9/45 = 16/80
    9/54 = 13/78
    9/63 = 12/84

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