Question

arrange the following 5\7, 9\14, 17\21 and 31\42

Answer 1

Answer:

the ascending order is 9\14, 5\7, 31\42,17\21

Step-by-step explanation:

5\7, 9\14, 17\21 , 31\42

30/42,27/42,34/42,31/42

Answer 2

Answer:

L.C.M of 7,14,21,42 is 42

5\7×6\6=30\42

9\14×3\3=21\42

17\21×2\2=34\42

31\42×1\1=31\42

now ,

21\42 < 30\42 < 31\42 < 34\42

i.e.

9\14 < 5\7 < 31\42 < 17\21