Question

PLZ explain, NO direct answers, Will medal for best response.

Answer 1

@haleyelizabeth2017

Answer 2

Were you able to find the LCM of 8 and 10? :)

Answer 3

i am typing it right now...

Answer 4

LCM of 8 and 10 is 40?

Answer 5

\(\large\rm 8=2\cdot4\)
\(\large\rm 10=2\cdot5\)
\(\large\rm LCM(8,10)=2\cdot4\cdot5=40\)

Ok good!

Answer 6

\[\large\rm \frac{5}{8}-\frac{3}{10}\color{royalblue}{\frac{4}{4}}\]To get that denominator, clearly the second fraction needs a 4.
What about the first one? :o

Answer 7

umm idk

Answer 8

8 times something is 40, hmm

Answer 9

5

Answer 10

Ok good.\[\large\rm \color{royalblue}{\frac{5}{5}}\cdot\frac{5}{8}-\frac{3}{10}\cdot\color{royalblue}{\frac{4}{4}}\]

Answer 11

So we know the denominators will be 40,
we worked that out already,\[\large\rm \frac{5\cdot5}{40}-\frac{3\cdot4}{40}\]Can you figure out the tops? :)

Answer 12

yes, 5*5=25 and 3*4=12

Answer 13

sorry I took long to response my internet was loading REALLY slow

Answer 14

@zepdrix

Answer 15

\[\large\rm \frac{25}{40}-\frac{12}{40}\]

Answer 16

Good :) Now just subtract numerators, ya?

Answer 17

25-12=13

Answer 18

@zepdrix

Answer 19

@zepdrix

Answer 20

so my answer 13/40

Answer 21

yay good job \c:/