Cześć!
Zadanie 1
Od a) do c)
[tex]\dfrac{25}{75}=\dfrac{25:25}{75:25}=\boxed{\frac{1}{3}}\\\\\\\dfrac{13}{39}=\dfrac{13:13}{39:13}=\boxed{\frac{1}{3}}\\\\\\\dfrac{5}{60}=\dfrac{5:5}{60:5}=\boxed{\frac{1}{12}}[/tex]
Od d) do f)
[tex]\dfrac{8}{60}=\dfrac{8:4}{60:4}=\boxed{\frac{2}{15}}\\\\\\\dfrac{4}{26}=\dfrac{4:2}{26:2}=\boxed{\frac{2}{13}}\\\\\\\dfrac{15}{45}=\dfrac{15:15}{45:15}=\boxed{\frac{1}{3}}[/tex]
Od g) do h)
[tex]\dfrac{15}{35}=\dfrac{15:5}{35:5}=\boxed{\frac{3}{7}}\\\\\\\dfrac{13}{52}=\dfrac{13:13}{52:13}=\boxed{\frac{1}{4}}\\\\\\\dfrac{36}{63}=\dfrac{36:9}{63:9}=\boxed{\frac{4}{7}}[/tex]
Zadanie 2
[tex]2\dfrac{5}{8}=\dfrac{2\cdot8+5}{8}=\dfrac{16+5}{8}=\boxed{\frac{21}{8}}\\\\\\10\dfrac{1}{4}=\dfrac{10\cdot4+1}{4}=\dfrac{40+1}{4}=\boxed{\frac{41}{4}}\\\\\\8\dfrac{7}{10}=\dfrac{8\cdot10+7}{10}=\dfrac{80+7}{10}=\boxed{\frac{87}{10}}[/tex]
