Сократите дроби 75/100 42/63 56/60 81/420 72/24 75/25 35/42 36/32 42/49 32/60 пожалуйста!!

75/100= 75 : 5 //100 : 5 = 15 : 5//20 : 5 = 3/4;42/63 = 42 : 7 //63 : 7 = 6 : 3//9 : 3 = 2/3;56/60 = 56 : 4//60 : 4 = 14/15;81/420 = 81 : 3//420 : 3 = 27/140;72/24 = 72 : 24//24 : 24 = 3/1 = 3;75/25 = 75 : 25//25 : 25 = 3/1 = 3;35/42 = 35 : 7//42 : 7 = 5/6;36/32 = 36 : 4//32 : 4 = 9/8 = 1 1/8;42/49 = 42 : 7//49 : 7 = 6/7;32/60 = 32 : 4//60 : 4 = 8/15.