x uchun yechish
x=\frac{13}{28}\approx 0,464285714
Grafik
Baham ko'rish
Klipbordga nusxa olish
x=\frac{3}{4}-\frac{2}{7}
Ikkala tarafdan \frac{2}{7} ni ayirish.
x=\frac{21}{28}-\frac{8}{28}
4 va 7 ning eng kichik umumiy karralisi 28 ga teng. \frac{3}{4} va \frac{2}{7} ni 28 maxraj bilan kasrlarga aylantirib oling.
x=\frac{21-8}{28}
\frac{21}{28} va \frac{8}{28} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
x=\frac{13}{28}
13 olish uchun 21 dan 8 ni ayirish.
Misollar
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