Enrhifo
\frac{\sqrt{10}}{50}\approx 0.063245553
Rhannu
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\frac{1}{\sqrt{250}}
Cyfrifo ail isradd 1 a chael 1.
\frac{1}{5\sqrt{10}}
Ffactora 250=5^{2}\times 10. Ailysgrifennu ail isradd y lluoswm \sqrt{5^{2}\times 10} fel lluoswm ail israddau \sqrt{5^{2}}\sqrt{10}. Cymryd isradd 5^{2}.
\frac{\sqrt{10}}{5\left(\sqrt{10}\right)^{2}}
Mae'n rhesymoli enwadur \frac{1}{5\sqrt{10}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{10}.
\frac{\sqrt{10}}{5\times 10}
Sgwâr \sqrt{10} yw 10.
\frac{\sqrt{10}}{50}
Lluosi 5 a 10 i gael 50.
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