x uchun yechish
x=\frac{17}{28}\approx 0,607142857
Grafik
Baham ko'rish
Klipbordga nusxa olish
x=\frac{3}{4}-\frac{1}{7}
Ikkala tarafdan \frac{1}{7} ni ayirish.
x=\frac{21}{28}-\frac{4}{28}
4 va 7 ning eng kichik umumiy karralisi 28 ga teng. \frac{3}{4} va \frac{1}{7} ni 28 maxraj bilan kasrlarga aylantirib oling.
x=\frac{21-4}{28}
\frac{21}{28} va \frac{4}{28} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
x=\frac{17}{28}
17 olish uchun 21 dan 4 ni ayirish.
Misollar
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