math

7/8+3/4

= 21/24 + 18/24

= 39/24

= 1 and 15/24

= 1 and 5/8

 

you find common a common demonitnator and then multiply the numerators by the number it took to get to the common denominator. then you add then together, to then simplify to get the simplist version on the fraction.

7         3     

--    -    --

8         4

 

7        6

--   -   --

8        8

 

1

--

8