Try Mathopolis it's very good and free!
For the + sign, it was just to seperate the two otherwise it would have been too squashed.
As for the question, i just done it a few comments ago, in steps. Do you want me to do it all together?
...?
Do you mean LCM between 50 -100?
8+8+8+8+8=8*5
EDIT: 8*5= 40
Oops, daft mistake!!!
Thanks Melody.
$$\frac{1}{2}-\frac{2}{5}\\\\ $The LCD (Lowest common denominator) is 10 (not doing five because it will give a negative)\\\\$ \\\frac{1\times5}{2\times5}-\frac{2\times2}{5\times2}\\\\ \frac{5}{10}-\frac{4}{10}\\\\ =\;\frac{1}{10}$$
$$\\\frac{21x}{y}\times \frac{8y^2x}{14t}\\\\ Cancel\:out...Only\;Like\;Terms!!!\\\\ \frac{21x}{y}\times \frac{8y^2x}{14t}\\\\\\ $Umm...\;I can't find anything.\\\\$ $I could divide 21 and 14 by 7, but they're not like terms.\\\\$ $So, it's already canceled?\\\\$ \frac{21x\times8y^2x}\times{y\times14t}\\\\ \frac{21x^2+8y^2}{14ty}\\\\ \frac{168xy^4}{14ty}$$
I think.
Yeah I doubt it.
I've been here since March and I've never seen them.
I know they were past users.
They probably left the forum...
Maybe busbusy with life or something...
Your way contains more logic than mines.
As smart your method is I prefer the inversway, way it seems easier.
I think so rosala.
Do the inverse.
$${\mathtt{501}}{\mathtt{\,-\,}}{\mathtt{53}} = {\mathtt{448}}$$
$${\frac{{\mathtt{448}}}{{\mathtt{32}}}} = {\mathtt{14}}$$
X=14
Same here!
I love those mini pictures, the bus one is jokes!
Same face here.
So many times the poles have saved me.
