Question

How to add fractions like these?
\[\LARGE {2 \over x + 1} + {3 \over x + 2}\]

Answer 1

you can cross multiply and get 3(x+1)=2(x+2)

Answer 2

oh like these okay so We have
x+1 • 3 = 3x+3
x+2 • 2= 2x + 2
then
just add that *like a boss*

Answer 3

not is right sure

Answer 4

Actually, 2(x + 2) = 2x + 4. reb

Answer 5

hahaha omg my bad...ooppsie

Answer 6

Can you explain why?

Answer 7

why what?

Answer 8

Why they are cross multiplied?

Answer 9

2/(x+1) + 3/(x+2) =(2(x+2)+3(x+1))/(x+1)(x+2) =
=(2x+4+3x+3)/(x+1)(x+2) =(5x+7)/(x+1)(x+2)

Answer 10

so because (x+1)(x+2) is the denominator common

Answer 11

@jhonyy9 is absolutely correct

Answer 12

you can cross multiply to find x 3(x+1)
3x+3=3x/3=1
2(x+2)
2x+4=2x/2=2

Answer 13

Oh! I get it....

Answer 14

hope that this was understandably sure

Answer 15

You made me clear! Thanks!!!

Answer 16

ok

yw

good luck

bye