3 1/2 . 2 - 1/3 = 7/2 . 2 - 1/3 = 14/2 - 1/3 = 7 - 1/3 = 6 2/3
8. ( 3 1/4 - 1 1/2 ) = 8 . ( 13/4 - 3/2 ) = 8 . 7/4 = 56/4 = 14
(2 1/2 - 1 1/3 ) .1 1/5 = (5/2 - 4/3) . 1 1/5 = (15/6 - 8/6 ) .1 1/5 = 7/6 . 6/5 = 7/5 = 1 2/5
11/15 + 2/3 . 1/2 = 11/15 + 1/3 = 11/15 + 5/15 = 16/15 = 1 1/15
( 4/7 + 1/2 ) . ( 1 1/9 - 6/6 ) = ( 8/14 + 7/14 ) . ( 1 1/9 - 1 ) = 15/14 . 1/9 = 5/42
3 1/2 . 2 - 1/3 = 7/2 . 2 - 1/3 = 14/2 - 1/3 = 7 - 1/3 = 6 2/3
8. ( 3 1/4 - 1 1/2 ) = 8 . ( 13/4 - 3/2 ) = 8 . 7/4 = 56/4 = 14
(2 1/2 - 1 1/3 ) .1 1/5 = (5/2 - 4/3) . 1 1/5 = (15/6 - 8/6 ) .1 1/5 = 7/6 . 6/5 = 7/5 = 1 2/5
11/15 + 2/3 . 1/2 = 11/15 + 1/3 = 11/15 + 5/15 = 16/15 = 1 1/15
( 4/7 + 1/2 ) . ( 1 1/9 - 6/6 ) = ( 8/14 + 7/14 ) . ( 1 1/9 - 1 ) = 15/14 . 1/9 = 5/42