Enrhifo
\frac{63xy}{20}+27y+70x
Ffactor
\frac{63xy+1400x+540y}{20}
Rhannu
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70x+\frac{63yx}{20}+27y
Mynegwch \frac{63y}{20}x fel ffracsiwn unigol.
\frac{20\left(70x+27y\right)}{20}+\frac{63yx}{20}
I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch 70x+27y â \frac{20}{20}.
\frac{20\left(70x+27y\right)+63yx}{20}
Gan fod gan \frac{20\left(70x+27y\right)}{20} a \frac{63yx}{20} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{1400x+540y+63yx}{20}
Gwnewch y gwaith lluosi yn 20\left(70x+27y\right)+63yx.
\frac{1400x+63yx+540y}{20}
Ffactora allan \frac{1}{20}.
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