👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the ...

Here is the revised description with all links and additional text removed: Learn how to find the square root of rational expressions. To find the square root of a rational expression, we first ...

Some fractions can be made 'simpler'. Simplifying means that the numerator and denominator can be smaller numbers. But the overall value of the fraction is not changed. Complete this interactive ...

Divide both the numerator and denominator by their HCF. The fraction has now been simplified. Knowing multiplication and division facts may make simplifying fractions easier. The HCF of 4 and 10 is 2.