Prosze o pomoc w rozwiazaniu ułamków, potrzebuje na jutro z gory dziekuje!

4  20/24 -4 21/24 =1/24 -7/5* 30/14=-3 1-9/4*3/2=1-27/8=1- 4 3/8= -3 3/8 4 14/21+1 15/21= 5 29/21= 6 8/21 2 8/18+1 15/18= 3 23/18= 4 5/18 -1 9/12 +3 1/12= 1  4/12  =1 1/3 2 16/20 -3 5/20 = -9/20 (1 7/16 - 10/16)*(6/8 +1/8)=13/16*8/7=13/14 (1 2/6-2 1/6) :(35/10+1/3)= 5/6: (3 3/6+2/6)= 5/6: 3 5/6=5/6:23/6=5/6*6/23=5/23

4 i 5/6 - 4 i 7/8= = 4 i 15/24 - 4 i 21/24= = - 6/24= = - 1/4 (-1 i 2/5) * 2 i 2/14= = - 7/5 * 30/14= = - 1/1 * 6/2= = - 6/2= = - 3 1 - 4/9 : 2/3= = 1 - 4/9 * 3/2 = = 1 - 2/3 * 1/1= = 1 - 2/3= = 1/3 4 i 2/3 + 1 i 5/7= = 4 i 14/21 + 1 i 15/21= = 5 i 29/21= = 6 i 8/21 2 i 4/9 + 1 i 5/6= = 2 i 8/18 + 1 i 15/18= = 3 i 23/18 = = 4 i 5/18 - 1 i 3/4 + 3 i 1/6= = - 1 i 9/12 + 3 i 2/12= = 1 i 5/12 2 i 4/5 - 3 i 1/4= = 2 i 16/20 - 3 i 5/20= = - 9/20 (1 i 7/16 - 5/8) : (3/4 + 1/8)= = (1 i 7/16 - 10/16) : (6/8 + 1/8)= = 13/16 : 7/8= = 13/16 * 8/7= = 13/2 * 1/7= = 13/14 1 i 1/3 - 2 i 1/6 -------------------------- = 7/10 * 5 + 1/3 """1 i 2/6 - 2 i 1/6 = --------------------------- = """""7/2  + 1/3 """"""- 5/6 = ------------------- = """"""21/6 + 2/6 = - 5/6 : 23/6= = - 5/6 * 6/23= = - 5/1 * 1/23= = - 5/23