3/4 si 1/2
amplificam a 2a fractie cu 2 sa aducem la acelasi numitor
3/4 si 2/4
3/4 > 2/4
3/4 = 0,75
2/4 = 0,5
⁵⁾4/3 si ³⁾6/5
numitor comun 15
5ₓ4/15 si 3ₓ6/15
20/15 > 18/15
[tex]2\frac{1}{3}~si~2\frac{1}{5}[/tex]
(2×3+1)/3 si (2×5+1)/5
⁵⁾7/3 si ³⁾11/5
35/15 > 33/15
[tex]3\frac{4}{9}~si~3\frac{5}{10}[/tex]
(3×9+4)/9 si (3×10+5)/10
¹⁰⁾31/9 si ⁹⁾35/10
310/90 < 315/90
[tex]5\frac{9}{12}~si~5\frac{6}{8}[/tex]
(5×12+9)/12 si (5×8+6)/8
²⁾69/12 si ³⁾46/8
138/24 = 138/24
[tex]6\frac{1}{2}~si~5\frac{3}{4}[/tex]
(6×2+1)/2 si (5×4+3)/4
²⁾13/2 si 23/4
26/4 > 23/4
⁴⁾13/3 si ³⁾27/4
4×13/12 si 3×27/12
52/12 < 81/12
