Д 52 = - 91 42 = = 49 40 = 72 56 = 64 21 = 91 E 28 42 18 = = 51 68 = 85 42 = 54 72 = 81 Ж 20 = 45 12 = 72 136 = 170 21 = 108 24 = 36 3 48 = 68 18 = 72 24 = 70 110 = 154 36 = 60

\[\frac{52}{91} = \frac{4 \cdot 13}{7 \cdot 13} = \frac{4}{7}\]

\[\frac{28}{42} = \frac{2 \cdot 14}{3 \cdot 14} = \frac{2}{3}\]

\[\frac{20}{45} = \frac{4 \cdot 5}{9 \cdot 5} = \frac{4}{9}\]

\[\frac{48}{68} = \frac{12 \cdot 4}{17 \cdot 4} = \frac{12}{17}\]

\[\frac{42}{49} = \frac{6 \cdot 7}{7 \cdot 7} = \frac{6}{7}\]

\[\frac{18}{51} = \frac{6 \cdot 3}{17 \cdot 3} = \frac{6}{17}\]

\[\frac{12}{72} = \frac{1 \cdot 12}{6 \cdot 12} = \frac{1}{6}\]

\[\frac{18}{72} = \frac{1 \cdot 18}{4 \cdot 18} = \frac{1}{4}\]

\[\frac{40}{72} = \frac{5 \cdot 8}{9 \cdot 8} = \frac{5}{9}\]

\[\frac{68}{85} = \frac{4 \cdot 17}{5 \cdot 17} = \frac{4}{5}\]

\[\frac{136}{170} = \frac{4 \cdot 34}{5 \cdot 34} = \frac{4}{5}\]

\[\frac{24}{70} = \frac{12 \cdot 2}{35 \cdot 2} = \frac{12}{35}\]

\[\frac{56}{64} = \frac{7 \cdot 8}{8 \cdot 8} = \frac{7}{8}\]

\[\frac{42}{54} = \frac{7 \cdot 6}{9 \cdot 6} = \frac{7}{9}\]

\[\frac{21}{108} = \frac{7 \cdot 3}{36 \cdot 3} = \frac{7}{36}\]

\[\frac{110}{154} = \frac{5 \cdot 22}{7 \cdot 22} = \frac{5}{7}\]

\[\frac{21}{91} = \frac{3 \cdot 7}{13 \cdot 7} = \frac{3}{13}\]

\[\frac{72}{81} = \frac{8 \cdot 9}{9 \cdot 9} = \frac{8}{9}\]

\[\frac{24}{36} = \frac{2 \cdot 12}{3 \cdot 12} = \frac{2}{3}\]

\[\frac{36}{60} = \frac{3 \cdot 12}{5 \cdot 12} = \frac{3}{5}\]