Question

решите пожалуйста номер 801.

Answer 1

$1) frac{2}{15} ; frac{5}{12} \ \ frac{2}{15} = frac{2*4}{15*4} = frac{8}{60} \ \ frac{5}{12} = frac{5*5}{12*5} = frac{25}{60} \ \ 2) frac{7}{33} ; frac{3}{77} \ \ frac{7*7}{33*7} = frac{49}{231} \ \ frac{3}{77} = frac{3*3}{77*3} = frac{9}{231}$
$3) frac{1}{72} ; frac{1}{56} \ \ frac{1}{72} = frac{7}{72*} = frac{7}{504} \ \ frac{1}{56} = frac{9}{56*9} = frac{56}{504} \ \ 4) frac{5}{36} ; frac{7}{54} \ \ frac{5}{36} = frac{5*3}{36*3}= frac{15}{108} \ \ frac{7}{54} = frac{7*2}{54*2} = frac{14}{108}$
$5) frac{5}{12} ; frac{7}{8} \ \ frac{5}{12} = frac{5*2}{12*2} = frac{10}{24} \ \ frac{7}{8} = frac{7*3}{8*3} = frac{21}{28} \ \ 6) frac{2}{55} ; frac{5}{22} \ \ frac{2}{55} = frac{2*2}{55*2} = frac{4}{110} \ \ frac{5}{22} = frac{5*5}{22*5} = frac{25}{110}$

$7) frac{1}{48} ; frac{1}{72} \ \ frac{1}{48} = frac{3}{48*3} = frac{3}{144} \ \ frac{1}{72} = frac{2}{2*72} = frac{2}{144} \ \ 8) frac{9}{35} ; frac{11}{42} \ \ frac{9}{35} = frac{9*6}{35*6} = frac{54}{210} \ \ frac{11}{42} = frac{11*5}{42*5} = frac{55}{210}$

$9) frac{6}{15} ; frac{11}{18} \ \ frac{6}{15} = frac{6*6}{15*6} = frac{36}{90} \ \ frac{11}{18} = frac{11*5}{18*5} = frac{55}{90} \ \ 10) frac{4}{15} ; frac{3}{20} \ \ frac{4}{15} = frac{4*6}{15*6} = frac{24}{60} \ \ frac{3}{20} = frac{3*3}{20*3} = frac{9}{60}$
$11) frac{2}{77} ; frac{3}{44} \ \ frac{2}{77} = frac{2*4}{77*4} = frac{8}{308} \ \ frac{3}{44} = frac{3*7}{44*7} = frac{21}{308} \ \ 12) frac{4}{49} ; frac{5}{63} \ \ frac{4}{49} = frac{4*9}{49*9} = frac{36}{441} \ \ frac{5}{63} = frac{5*7}{63*7} = frac{35}{441}$

$13) frac{5}{16} ; frac{5}{12} \ \ frac{6}{16} = frac{6*3}{16*3} = frac{18}{48} \ \ frac{5}{12} = frac{5*4}{12*4} = frac{20}{48} \ \ 14) frac{5}{121} ; frac{8}{99} \ \ frac{5}{121} = frac{5*9}{121*9} = frac{45}{1089} \ \ frac{8}{99} = frac{8*11}{99*11} = frac{88}{1089}$

$15) frac{1}{51} ; frac{1}{68} \ \ frac{1}{51} = frac{4}{51*4} = frac{4}{204} \ \ frac{1}{68} = frac{3}{68*3} = frac{3}{204} \ \ 16) frac{15}{98} ; frac{13}{72} \ \ frac{15}{98} = frac{15*36}{98*36} = frac{540}{3528} \ \ frac{13}{72} = frac{13*49}{72*49} = frac{637}{3528}$