Multiply by the bottom, divide by the top. So if your equation is, say, 4/5 times 4, you would multiply 4 times five, then divide your answer by 4.
To get rid of fractions in an equation, multiply every term in the equation by the denominators of all the fractions.
Example:
3/4A + 1/3B = 24
multiply each term by 4, then 3A + 4/3B = 96
multiply each term by 3, then 9A + 4B = 288
To save a step, each term in the above example could have been multiplied by 12 (3 x 4)
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If you update the answer with the actual equation i can talk you through it. 4 + 2 =X (2 - 5 = 2
An equation that sets two fractions equal to each other is called a proportion. In a proportion, the cross products of the fractions are equal. For example, if you have the proportion ( \frac{a}{b} = \frac{c}{d} ), then ( ad = bc ). Proportions are commonly used in solving problems involving ratios and rates.
a/b = c/d is one possible form.
Well, isn't that just a happy little problem to solve! To get rid of a cubed number in an equation, you can take the cube root of both sides. This will help you simplify the equation and solve for the variable. Just remember, there are always happy little solutions waiting to be discovered!
If you just want to solve it put the numbers in instead of the letters and you will get an answer but if you want to rearrange the formula or solve the equation then follow these simple steps 1) get rid of fractions by timesing by the fraction 2) move all of the x's (if you want x to be the subject) to the same side 3) if you cannot get rid of the other values on one side by taking them away( subtraction) or dividing them away then take a factor of x