СРОЧНО ПОМОГИТЕ РЕШИТЬ!!! Сократите дробь:
6·15/5·12;
11·9/15·22;
18·21/14·36;
45·17/17·35;
81·12/24·45;
56·16;48·49.

6*15/5*12=1*3/1*2=3/2=1Ц1/211*9/15*22=1*3/5*2=3/1018*21/14*36=1*3/2*2=3/445*17/17*35=9*1/1*7=9/7=1Ц2/781*12/24*45=9*1/2*5=9/1056*16/48*49=8*1/3*7=8/21