1.)3 1/2 / 4 3/8
2.)7 3/10 / 5 2/5
3.) 7 2/9 / 5/9
4.)9 6/7 / 2 2/7
5.)7 8/9 / 3 2/3
6)18 / 9 1/4
7.) 2 7/9 / 11 2/3
1) 3 1/2 / 4 3/8
= 7/3 / 35/8
7/3 * 8/35
(7*8)/(3*35)
2) 7 3/10 / 5 2/5
= 73/10 / 27/5
73/10 * 5/27
(73*5)/(10*27)
3) 7 2/9 /5/9
= 65/9 / 5/9
65/9 * 9/5
(65*9)/(9*5)
4) 9 6/7 / 2 2/7
= 69/7 / 16/7
(69*7)/(7*16)
5)7 8/9 / 3 2/2
= 71/9 / 8/2
(71*2)/(9*8)