5/3 và 1/4
$\dfrac{5}{3}$=$\dfrac{20}{12}$
$\dfrac{1}{4}$=$\dfrac{3}{12}$
;
$\dfrac{3}{8}$ và $\dfrac{7}{24}$
$\dfrac{3}{8}$ = $\dfrac{9}24}$
$\dfrac{7}{24}$ giữ nguyên
;
$\dfrac{1}{2}$ ;$\dfrac{2}{3}$ ;$\dfrac{3}{5}$
MSC=30
$\dfrac{1}{2}$=$\dfrac{15}{30}$
$\dfrac{2}{3}$=$\dfrac{20}{30}$
$\dfrac{3}{5}$=$\dfrac{18}{30}$
;
;
;
;
a) 11/8 > 11/9 b) 4/9 ..<... 3/5 c) 6/5 ...>... 5/6
;
;
;
7/10 ; 27/40 / 4/5
=24/40 ; 7/10 ; 4/5
9/10 ;9/11 ; 10/9
=10/9 ; 9/10 ; 9/11