you list all the multiples of each number until you come to the first number that is in all columns
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1/3+1/4 In order to solve a math problem with different denominators(the bottom digit of a fraction) you first must change both fractions to have the same denominator. In order to find the same denominator, you must find what is known as the least common multiple of each denominator. The least common multiple of 3 and 4 is twelve. So you must multiply each fraction to get the denominator the same. 4/12+3/12= 7/12
Here is how you can solve it. First, use the usual methods to find the least common multiple of those three numbers. For example, by analyzing the prime factors. Then, find multiples of that least common multiple - i.e., try to multiply it by 1, by 2, by 3, etc., until you find a number (or more than one) that lies between the specified limits.
Solve the problem using the + sign for the variable. Then solve the problem using the - sign for the variable. Report your answer as the answer that you got using + or the answer that you got using -.
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If u want to solve a problem so u wait for it. Do not answer anything before u think it