Решите пожалуйста номер 801.

Question 1

Question 2

что сделать нужно?

Question 3

сравнить?

Question 4

привести дробь к одинаковому множителю

Question 5

Решите задачу:

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

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

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

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

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