Odpowiedź:
1) 5,25 to 21/4, bo 5 x 4 + 1 = 21
2) 2 i 2/7 to 16/7 bo 2 x 7 + 2 = 16
[tex]5 \frac{1}{4} = \frac{21}{4} \: bo \: \: 5 \times 4 + 1 = 21[/tex]
[tex]2 \frac{2}{7} = \frac{16}{7} \: bo \: \: 2 \times 7 + 2 = 16[/tex]
Pozdrawiam.
