Whenever two or more fractions have different numbers on the bottom. 1/2 and 1/3 have unlike denominators.
Yes.
Yes
When you want to add or subtract unlike fractions.
I do not. Along with most English speaking people, unlike Americans, we call it maths.
Unlike normal languages, math does not change depending on where you are in the world. 2+2=4 in every nation.
You find the Greatest common factorAdd if needed to on math problem
because its just one of the rules of math :)
4
So you will be able to do basic division and multiplication, unlike your co-workers at Verizon's Call Center.
Well it is not really a math definition since simile is used in all of language not just math. A simile is when you compare two nouns that are unlike, with "like" or "as." For example, learning math is as fun as answering Answers.com questions. ( OK only maybe sine nothing is more fun than learning math)
This question is easy. Since the denominaters can't be changed do 1 x 4 then put 4 over the four.
mathamatics a.k.a. math is 4+5=9 or high school math like algebra and geomentry, working with money, math is the kind of subject every school should be teaching that's going to be useful in life unlike algebra or geomenty and so on.