Question

help

Answer 1

@Cecil_the_Weasel

Answer 2

Do you know how to find common denominators?

Answer 3

no

Answer 4

alright one sec :)

Answer 5

That is something that you need to know for this. Try : https://www.khanacademy.org/math/arithmetic-home/arith-review-fractions/common-denominators/v/finding-common-denominators
Meanwhile, I'll help you with his one. I'm gonna draw it out

Answer 6

what times 3= 27?
what times 9= 27?

Answer 7

3x 9=27

Answer 8

Can you work out what those fractions would be?

Answer 9

9 times 3 27

Answer 10

9 times 4 36

Answer 11

nice so the first fraction is 36/27

Answer 12

the other one is 21/27

Answer 13

Awesome! So now that the denominators are the same, subtract the numerators. (Remember that denominator stays as 27)

Answer 14

15/27

Answer 15

Right. Now you need to simplify. What number goes into both 15 and 27?