If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2/5+1/3-(13/15) = 0
1/3-(13/15)+2/5 = 0
11/15-(13/15) = 0
11/15-13/15 = 0
-2/15 = 0
L <> R
| 8x^2=-4x-5 | | 0.1x+0.05y+5y=100 | | 6x-5/3x | | 3x-2x-8=0 | | -1/5-7/10 | | 5n+7=57 | | -9m-(4+3m)=-(2m-1)-5 | | -x^2+11x+80=0 | | s/8=2 | | u/2=3 | | x^2-10x-96=0 | | -7/2-(5/8+1/4)= | | (13x+5y)(13x-5y)= | | 22x-11y=33 | | 9(7p-6)=2 | | x+x+(x-200)=1030 | | -x^2-25x-66=0 | | 54/5/15/7 | | (5+11x)(7+6x)= | | x-(8)=16 | | 2x+x=1030 | | -7+(-4)-(-21)= | | 2x+x-170=1200 | | lm(2m+3)=8 | | 2x+y=1030 | | 5x+12y-9=0 | | (-22)+15-(-7)-4= | | (5n-1)(n-1)=0 | | (3x+6)=(8x+7) | | 27/-9= | | -15+(-12)+(-21)= | | 7x-2=-4x-5.4 |