Math Class

Kevin

Kevin

Wood is good.
Founding Member
In Memoriam
Messages
30,914
Reaction score
37,295
Location
Texas
First name
Kevin
I've looked all over the internet and YT to find out a short way to divide a mixed number into equal parts and all I find is how to divide one mixed number by another. I can do many in my head for example most of us who use mixed numbers a lot can do the math on 5 1/4 ÷ 3 = 1 3/4 easy peasy japaneasy. No paper or calculator needed.

But what about 9 11/16 ÷ 3? I need a formula to solve that and can't find it. I could have told you when I was in the 5th grade 7th grade college but that's been a while. The google calculator says the answer is 3.229 which I'm sure is right but I want to know how to do it when I'm not at a computer and don't have my phone. I know I have to convert to decimals first and I can do that, but after that I don't remember. I know I should be 90% there after going from fracs to dec but some reason I'm not ending up right.

Math tutor please? Maybe we could have a volunteer that at least minored in math to teach a weekly math formula like Marc's QotW and Henry's WotW.
 
9 divided by 3 is 3
11 divided by 16 is .68 divided by 3 is .229 plus the original 3 is 3.229
So your calculator is right
 
Tclem said:
9 divided by 3 is 3
11 divided by 16 is .68 divided by 3 is .229 plus the original 3 is 3.229
So your calculator is right
Click to expand...
What about that English professor @SENC
 
  • Thread Starter Thread Starter
  • #4
Tclem said:
9 divided by 3 is 3
11 divided by 16 is .68 divided by 3 is .229 plus the original 3 is 3.229
So your calculator is right
Click to expand...

Damnit I always make things too hard. That was easy.

.6875 though to make it all the way to 11/16.
 
  • Thread Starter Thread Starter
  • #5
Tclem said:
What about that English professor @SENC
Click to expand...

His hands are full and I'd prefer someone with a sense of humor. He's way too serious to be our math instructor.
 
Kevin said:
His hands are full and I'd prefer someone with a sense of humor. He's way too serious to be our math instructor.
Click to expand...
Yes it would have been a two page lecture :rofl:
 
I know you're gonna hate this... but here goes.
Long Division Wiki
It kinda depends on whether you want to leave in digital format, or need to reconvert to mixed. Me, I'd convert to digital, i.e 9.6875 since most precision rules and charts have conversions for sixteenth increments to digital. Then just do the long division on 9.6875 and get about 3.229, and if you want to convert the ".229" to fractional, just multiply by however fine you need to measure. If 16ths is good enough, multiply by 16 to get 3.6, or just under 4/16 (i.e 1/4"). Alternatively, multiply .229 by 32 to get 7.3 thirtyseconds...or a total of a little over 3 and 7/32. :einstein:
 
Last edited:
TimR said:
I know you're gonna hate this... but here goes.
Long Division Wiki
It kinda depends on whether you want to leave in digital format, or need to reconvert to mixed. Me, I'd convert to digital, i.e 9.6875 since most precision rules and charts have conversions for sixteenth increments to digital. Then just do the long division on 9.6875 and get about 3.229, and if you want to convert the ".229" to fractional, just multiply by however fine you need to measure. If 16ths is good enough, multiply by 16 to get 3.6, or just under 4/16 (i.e 1/4"). Alternatively, multiply .229 by 32 to get 7.3 thirtyseconds...or a total of a little over 3 and 7/32. :einstein:
Click to expand...
Ok senc jr. Lol
 
Tclem said:
9 divided by 3 is 3
11 divided by 16 is .68 divided by 3 is .229 plus the original 3 is 3.229
So your calculator is right
Click to expand...
You didn't carry the naught.
 
Someone needs to invite Danica McKellar to be the resident math teacher....
 
11/16 divided by 3 is the same as saying 11/16 divided by 48/16

to divide fractions you invert the second fraction and then multiply to it would look like this

11/16 X 16/48 reduce the fractions and it looks like this 11/1 X 1/48 = 11/48ths

11/48ths = .22916666666666 (the 6 will repeat)
 
Like others, I just change things to a decimal point and go.
Divide the top number by the bottom number=====11 divided by 16=.6875
So you have 9.6875 divided by 3 is 3.229
 
  • Thread Starter Thread Starter
  • #20
justallan said:
Like others, I just change things to a decimal point and go.
Divide the top number by the bottom number=====11 divided by 16=.6875
So you have 9.6875 divided by 3 is 3.229
Click to expand...

You and Tony get the apple. It's my preferred method too when I can remember it. I'll ask again next year month so don't make fun. :whatever:
 
You must log in or register to reply here.
Back
Top