cut both apples at same time, leaving 1/3 of one apple and 1/3 third of other apple
put the 2 1/3's together making 2/3's
the other 2 pieces remaining are also 2/3's
cut both apples at same time, leaving 1/3 of one apple and 1/3 third of other apple
put the 2 1/3's together making 2/3's
the other 2 pieces remaining are also 2/3's