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Example Questions
Example Question #11 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To get rid of a fraction, we multiply by the reciprocal. So we take and multiply both sides by :
Notice that and cancel out, leaving us with .
At this point, you can either plug into your calculator, or you can solve this in pieces.
We can do some manipulation to get:
, so we can plug that into .
Example Question #12 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To get rid of a fraction, we multiply by the reciprocal, so we take and multiply both sides by :
Since , we can simplify that equation to .
Therefore, .
Example Question #13 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To get rid of a fraction, we multiply by the reciprocal. So we take and multiply both sides by :
Since , we can simplify that equation to .
Therefore, .
Example Question #14 : How To Solve One Step Equations With Fractions In Pre Algebra
What is
To get rid of the , we multiply both sides by :
Example Question #15 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To solve this problem we need to reduce . Both the top and the bottom of are divisible by , so we can reduce it to . Anything divided by is itself, so is the same as .
Example Question #16 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To solve, multiply the right side:
Example Question #17 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To solve this problem, multiply across: .
is a prime number, so we cannot reduce further. From here, covert into a mixed fraction:
Example Question #18 : How To Solve One Step Equations With Fractions In Pre Algebra
What is ?
To solve this problem, multiply across:
Example Question #19 : How To Solve One Step Equations With Fractions In Pre Algebra
Solve for .
Example Question #20 : How To Solve One Step Equations With Fractions In Pre Algebra
Solve for .
To solve for , we need to isolate our variable. That means that we want ONLY the on the left side of the equation.
We want to divide by . The way you divide by a fraction is to multiply by the reciprocal. The reciprocal of is .
Therefore:
Since , we can ignore it.