Question

what is 3/4 + 4/9 and 3/9 x 4/3

Answer 1

Hello friend,

Q. 3/4+4/9
Ans. LCM of denominators=36
        So = 27/36 + 16/36
        = 43/36
        = 1 whole and 7/36 

Q. 3/9 × 4/3
Ans. 3     4
       --- × ---
        9     3
       So = 
       1     4
      --- × ---
       9     1
      = 4/9

Hope this helps!

Answer 2

3/4+4/9

first we find both digit LCM
then,
LCM is =36
then,
27/36+16/36=43/36
answer is =46/36
answer is 1 whole 7/36
2)3/9*4/3=12/27=4/9