Mathematics
11 Online
OpenStudy (anonymous):
I will give medals!!
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OpenStudy (anonymous):
7/3*1/2=? then 7/3*21/4=? then ?+?=? please fill in the question marks
OpenStudy (anonymous):
@SnowCrystal, @madeline.grey, @linda3, @kturpy, @DollyAcquah, @helpmeplease1239, @wolfe8, @orion92898 someone please help
OpenStudy (snowcrystal):
hello do u know what the 1st step is Doll
OpenStudy (snowcrystal):
7*1= 7
3*2= 6
your 1st answer is 7/6 or 1 and 1/6
OpenStudy (anonymous):
what does * it means,does it mean times
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OpenStudy (anonymous):
\[\frac{ 7 }{ 3 }\times \frac{ 1 }{ 2 }\]
OpenStudy (anonymous):
yea
OpenStudy (snowcrystal):
u multiply across the top then do the same for the bottem
OpenStudy (anonymous):
kk
OpenStudy (anonymous):
7/6+7/3x21/4=?
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OpenStudy (anonymous):
?=1.15
?=12.075
=13.225
OpenStudy (anonymous):
does this help
OpenStudy (snowcrystal):
7*21= 147
3*4= 12
to get 147/12 or 12 and 1/4
OpenStudy (snowcrystal):
then u want to add both answers together right?
OpenStudy (anonymous):
yea
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OpenStudy (anonymous):
jen you there
OpenStudy (anonymous):
does this help
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
does what helP? it needs to stay in fraction form
OpenStudy (snowcrystal):
7/6 + 147/12
both denominators have to be the same for addition and subtraction so we make it 12
7*2= 14
6*2= 12
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OpenStudy (snowcrystal):
so now we have 14/12 +147/12
OpenStudy (anonymous):
yup
OpenStudy (snowcrystal):
now that the denominators are the same we add only the top numbers
OpenStudy (anonymous):
161/12
OpenStudy (anonymous):
i put it in wrong but i do not know how to put it in let me look
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OpenStudy (anonymous):
can you take like a picture of the problem?
OpenStudy (snowcrystal):
now our last step is to make is a mixed number
with is 13 and 5/12
OpenStudy (snowcrystal):
how i did it all in my head
OpenStudy (anonymous):
awesome
OpenStudy (snowcrystal):
the best thing to do if u need to show ur work is to go back through every comment and write down what is there