Question

a] 21/11 * 22/17 * 68/63

b] 5/14 * 7/13 * 26/25

Answer 1

a, = 21.22.68 / 11.17.63

= 21. 22 .68 / 11.22.21.3

=68 / 33

b, =5.7.26 / 14.13.25

= 5 . 7 .13 .2/ 7 . 2.13. 5.5

= 1/5