Răspuns: [tex]\bf \dfrac{109}{42}[/tex]
Explicație pas cu pas:
Salutare!
[tex]\bf 5\dfrac{1}{6}-2\dfrac{4}{7}= \dfrac{5\cdot6+1}{6}-\dfrac{2\cdot 7 +4}{7}=[/tex]
[tex]\bf \dfrac{31}{6}-\dfrac{18}{7}= \dfrac{31\cdot7}{42}-\dfrac{18\cdot6}{42}= \dfrac{217-108}{42} = \boxed{\boxed{\bf \dfrac{109}{42}}}[/tex]
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