1) 2/9 х=5/12 x= (5/12) : 2/9 x= (5/12) * (9/2) x = (5*9)/(12*2) x = (5*3) / (2*4) x=15/8 x=1 (7/8)
2) 4/15 у = 2/5 y= (2/5) / (4/15) y=(2/5)*(15/4) y= (2*15) / (5*4)
y= 3/2 y=1 (1/2)
3) 3/5 x = 6 x=6 : (3/5) x=6 * (5/3) x=2*5 x=10
4) 7/8 y =14 y= 14 : (7/8) y= 14* (8/7) y=2*8 y=16
5) 3/7 x = 1 (4/5) 3/7 x = 9/5 x = ( 9/5) : (3/7) x= (9/5) * (7/3)
x= (9*7) / (5*3) x=(3*7)/5 x=21/5 x= 4 (1/5)
6) 9/10 y = 4 (1/2) 9/10 y = 9/2 y = (9/2) : (9/10) y=(9/2)*(10/9)
y= (9*10) / (2*9) y=5