average is found by adding tht 2 numbers together and dividing by the number of nuber you aded together so exg average of 6 and 12=(6+12)/2 because 6 and 12 is 2 numbers so
0.5 and 8/9 are 2 numbers
convert to fraction 0.5=0.5/1 multiply by 2 1/2=0.5
average of 1/2 and 8/9 make denomenators same bottom number
