Question

2/9+ -43/72

Answer 1

why are you asking the same question twice??

Answer 2

hi

your answer there befor not is right

Answer 3

cuz nobody will help me

Answer 4

for 9 and 72 not is 81 the common denominator

Answer 5

thanks jhonyy9 this is so frustrating to me

Answer 6

why ?

this is very easy

Answer 7

so can u show me how i would do it

Answer 8

i wish it was easy for me i got two weeks for two more chapters

Answer 9

so there are two fractions with denominators differents

Answer 10

so for you can add those you need calcule the common denominator for 9 and 72

yes ?

Answer 11

yes

Answer 12

how you see for 9 and 72 what number will be the common denominator ?

Answer 13

by dividing

Answer 14

the less common denominator

Answer 15

so for example if there are 2 and 3 for these numbers what will be the dommon denominator ?

Answer 16

because 72 can be divide exactly by 9 so for this result that the common denominator will be 72

Answer 17

ok ?