*to "get rid" of a fraction multiply by the...?
Multiply by the value in the denominator of the fraction
Let's say that you had the following equation
You can also view this as
So we know that
Since you multiplied the left side of the equation by 3, you have to do that to the right side of the equation too.
The equation wasn't so "beautiful" because we still got a fraction as the value for
Multiply By The Reciprocal
A few examples...
No matter the fraction, turning it "upside down" (flipping its numerator/denominator) then multiplying by the same fraction will usually give you a value = 1
But there are some more advanced cases where this does not always occur. Especially when dealing with variables...
Let's try something a bit harder...say you're given two fractions to divide:
As usual, multiply by the reciprocal of the divisor...