Oblicz ułamki: 1cała i 5/7 × 4całe i 2/3= 8całych i 3/4 × 2całe i 1/8= 2całe i 3/4 × 2całe i 2/11= 2całe i 7/16 : 3/32= 10/21 : 3całe i 3/14= 3 : 2całe i 1/4= 7całych i 1/2 : 1 cała i 7/8= 1cała i 1/2 : 2całe i 1/4= 2całe i 6/7 × 1cała i 3/4= 3całe i 1/8

12/7*14/3 = 8 35/4*17/8 = 420/32= 13 całych i 1/8 11/4*24/11= 6 39/16:3/32= 39/16*32/3= 26 10/21:31/14=10/21*14/31= 10/62=5/31 3:9/4 = 3*4/9= 4/3= 1 cała i 1/3 15/2:15/8= 15/2*8/15= 4 3/2:9/4 = 3/2*4/9= 2/3 20/7*7/4= 5 25/8*3/10= 15/16

1 i 5/7 * 4 i 2/3 = 12/7 * 14/3 = 8 8 i 3/4 * 2 i 1/8 = 35/4 * 17/8 = 595/32 = 18 i 19/32 2 i 3/4 * 2 i 2/11 = 11/4 * 24/11 = 6 2 i 7/16 : 3/32 = 39/16 * 32/3 = 26 10/21 : 3 i 3/14 = 10/21 : 45/14 = 10/21 * 14/45 =4/27 3 : 2 i 1/4 = 3/1 : 9/4 = 3/1 * 4/9 = 4/3 = 1 i 1/3 7 i 1/2 : 1 i 7/8 = 15/2 : 15/8 = 15/2 * 8/15 = 4 1 i 1/2 : 2 i 1/4 = 3/2 : 9/4 = 3/2 * 4/9 = 2/3 2 i 6/7 * 1 i 3/4 = 20/7 * 7/4 = 5 3 i 1/8 * 3/10 = 25/8 * 3/10 = 15/16