сократите дробь 315/420 630/1470 660/616 770/1320 143/260 112/672 450/540 777/2121

315/420 630/1470 660/616 770/1320 143/260 112/672 450/540 777/2121 \frac{315}{420} = \frac{3 * 105}{4 * 105} = \frac{3}{4} \frac{630}{1470} = \frac{3*210}{7*210} = \frac{3}{7} \frac{660}{616} = \frac{15*44}{14*44} = \frac{15}{14} =1 \frac{1}{14} \frac{770}{1320} = \frac{7*110}{12*110} = \frac{7}{12} \frac{143}{260} = \frac{11*13}{20*13} = \frac{11}{20} \frac{112}{672} = \frac{1*112}{6*112} = \frac{1}{6} \frac{450}{540} = \frac{5*90}{6*90} = \frac{5}{6} \frac{777}{2121} = \frac{37*21}{101*21} = \frac{37}{101}