Question

When you are adding fractions do you just add across?

Answer 1

not unless you have a common denominator

Answer 2

It depends....on what is given.....

Answer 3

20/27 + 1/45 + 7/10

Answer 4

here you have to find LCD....

Answer 5

the lcd is 270

Answer 6

First find LCD
Then convert all fraction to like fractions with same denominator
Finally add al the numerators and put them over the common denominator
Simplify if you can.....

Answer 7

=395/270

Answer 8

20/27 + 1/45 + 7/10 = N

20(10)/27 + 1(10)/45 + 7(10)/10 = (10)N

200/27 + 2/9 + 7 = 10N

200(9)/27 + 2(9)/9 + 7(9) = 10(9)N

200/3 + 2 + 63 = 90N

200(3)/3 + 2(3) + 63(3) = 90(3)N

200 + 6 + 189 = 270N

206 + 189 = 270N

306 + 89 = 270N

386 + 9 = 270N

395 = 270N

395/270 = N

i gotta wonder

Answer 9

=79/54

Answer 10

thats better lol

Answer 11

is it the same with subtracting?

Answer 12

yes, only thing is you subtract instead of add

Answer 13

Yes it is......