Enrhifo
\frac{18}{5}=3.6
Ffactor
\frac{2 \cdot 3 ^ {2}}{5} = 3\frac{3}{5} = 3.6
Rhannu
Copïo i clipfwrdd
5-2+\frac{3}{5}
Canslo 5 a 5.
3+\frac{3}{5}
Tynnu 2 o 5 i gael 3.
\frac{15}{5}+\frac{3}{5}
Troswch y rhif degol 3 i’r ffracsiwn \frac{15}{5}.
\frac{15+3}{5}
Gan fod gan \frac{15}{5} a \frac{3}{5} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{18}{5}
Adio 15 a 3 i gael 18.
Enghreifftiau
Hafaliad cwadratig
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}