Enrhifo
\frac{6\sqrt{5}}{25}\approx 0.536656315
Rhannu
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\frac{\sqrt{36}}{\sqrt{125}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{36}{125}} fel rhaniad ail israddau \frac{\sqrt{36}}{\sqrt{125}}.
\frac{6}{\sqrt{125}}
Cyfrifo ail isradd 36 a chael 6.
\frac{6}{5\sqrt{5}}
Ffactora 125=5^{2}\times 5. Ailysgrifennu ail isradd y lluoswm \sqrt{5^{2}\times 5} fel lluoswm ail israddau \sqrt{5^{2}}\sqrt{5}. Cymryd isradd 5^{2}.
\frac{6\sqrt{5}}{5\left(\sqrt{5}\right)^{2}}
Mae'n rhesymoli enwadur \frac{6}{5\sqrt{5}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{5}.
\frac{6\sqrt{5}}{5\times 5}
Sgwâr \sqrt{5} yw 5.
\frac{6\sqrt{5}}{25}
Lluosi 5 a 5 i gael 25.
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