Question

calculati
7/25 :42/50
2/5:8/125
5/2:0,1
5/12:35/4
0,(4):1,2(3)
0,(3)/1,(5)
1,2/5,6
625/15:25/27:9/10

Answer 1

7/25 ÷42/50= 7/25* 25/21=7/21= 1/3
2/5÷8/125 =2/5* 125/8=15/4
5/2÷0,1=5/2 * 10= 25
5/12÷35/4 =5/12 *4/35= 1/21
0,(4)÷1,2(3)= 4/9 *90/111=40/111
0,(3)÷ 1,(5) =3/9 * 9/14= 3/14
1,2÷ 5,6  = 12/10*10/56= 12/56=6/28=3/14
625/15÷ 25/27÷ 9/10 = 125/3* 27/25 *10/9=27*10/9=30