1)сократите дробь а)24/30 б)12/48 в)20/36 г) 14/56 д) 44/100 е)32/72 ж)36/60 з)18/90 и)66/99 к)98/1122)приведите дроби :а) 4/9, 5/6, 7/2 к знаменателю 18б) 7/8, 5/16, 21/40 к знаменателю 80

а)[latex] \frac{24}{30}= \frac{6*4}{6*5}= \frac{4}{5} [/latex] б)[latex] \frac{12}{48}= \frac{12}{12*4}= \frac{1}{4} [/latex] в)[latex] \frac{20}{36}= \frac{5*4}{9*4}= \frac{5}{9} [/latex] г)[latex] \frac{14}{56}= \frac{14}{14*4}= \frac{1}{4} [/latex] д)[latex] \frac{44}{100}= \frac{11*4}{4*25}= \frac{11}{25} [/latex] е)[latex] \frac{32}{72}= \frac{8*4}{8*9}= \frac{4}{9} [/latex] ж)[latex] \frac{36}{60}= \frac{12*3}{12*5}= \frac{3}{5} [/latex] з)[latex] \frac{18}{90}= \frac{18}{18*5}= \frac{1}{5} [/latex] и)[latex] \frac{66}{99}= \frac{33*2}{33*3}= \frac{2}{3} [/latex] к)[latex] \frac{98}{112}= \frac{7*14}{8*14}= \frac{7}{8} [/latex] 2)[latex] \frac{4}{9}= \frac{2*4}{9*2}= \frac{8}{18} [/latex] [latex] \frac{5}{6}= \frac{5*3}{6*3}= \frac{15}{18} [/latex] [latex] \frac{7}{2}= \frac{7*9}{2*9}= \frac{63}{18} [/latex] [latex] \frac{7}{8}= \frac{7*10}{8*10}= \frac{70}{80} [/latex] [latex] \frac{5}{16}= \frac{5*5}{16*5}= \frac{25}{80} [/latex] [latex] \frac{21}{40}= \frac{21*2}{40*2}= \frac{42}{80} [/latex]