Đáp án:
a.$\dfrac{14}{3}=4\dfrac23;\dfrac{22}{7}=3\dfrac17$
b.$2\dfrac34=\dfrac{11}{4};5\dfrac16=\dfrac{31}{6}$
Giải thích các bước giải:
a.Ta có:
$\dfrac{14}{3}=\dfrac{4.3+2}{3}=4+\dfrac23=4\dfrac23$
$\dfrac{22}{7}=\dfrac{7.3+1}{7}=3+\dfrac17=3\dfrac17$
b.Ta có:
$2\dfrac34=\dfrac{2.4+3}{4}=\dfrac{11}{4}$
$5\dfrac16=\dfrac{5.6+1}{6}=\dfrac{31}{6}$