Question

3 2/7 * 5/8

Answer 1

FIRST

can you write
\[3 \frac{ 2 }{ 7 }\] as an improper fraction - i.e.

\[3\frac{ 2 }{ 7} = \frac{ ?? }{ 7 }\]

Answer 2

Yes, 3 2/7 as an improper fraction is 23/7

Answer 3

23 * 5
7 8

Answer 4

LCD

Answer 5

ok - so now your question is
\[\frac{ 23 }{ 7 } \times \frac{ 5 }{ 8 }\]

so simply multiply tops together and bottoms together..

Answer 6

184 45
56 56

Answer 7

No LCD?

Answer 8

My main issue was regarding the step I previously stated ^

Answer 9

Isn't there some sort of rule - ?

Answer 10

no - you don't need LCD for multiplication

\[\frac{ a }{ b } \times \frac{ c }{ d } = \frac{ ac }{ bd }\]

Answer 11

115
56

Answer 12

2 ish

Answer 13

yes - there is no further simplification (but "2 ish" is not close enough!!)

Answer 14

XD 2.05357142857

Answer 15

05357142857
100000000000

Answer 16

How can we simplify that?

Answer 17

if you go back to 32/7 * 5/8 you can see there is no simplification possible

Answer 18

soz - 23/7

Answer 19

23/7 * 5/8 What do you mean there is no simplification possible? We can solve it.

Answer 20

you can either leave it as 115/56 or approximately 2.053

take your pick - you cannot furhter reduce the fraction

Answer 21

It is improper. We can reduce it, the reduced fraction is the answer I am looking for.

Answer 22

ok then the denominator of teh fraction part will be 56

Answer 23

2 3
56

Answer 24

OK - correct

Answer 25

I think... That was done in my head however, I am fairly certain that is correct.

Answer 26

Thanks!

Answer 27

AND - good to hear someone still doing stuff in thier head! everyone reaches for calculator or wolfram without thinking!

congrats

Answer 28

:) I try. I HATE fractions. When I was supposed to learn how add, subtract, etc. I canceled it out. As of now, I need to know how to do it, so I am making random fraction problems and having people walk me through. That is why I sounded so confused.

Answer 29

Thanks dude. Have a great day.

Answer 30

just rermmber

deNOMinator is the name -i.e WHAT have you got
NUMerator is HOW MANY you got

so 3/4
What you got - you got QUARTERS
how many you got - you got 3

You have to have the SAME denominator to add (hence LCD) but you can multiply directly