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Probably the same as before, done logically in your own head, or done using computers or other helping methods. It might get easier to solve a problem because of new technologies. the first step to solve a problem is to see what the problem is.
By show the number and add it when it done
i dont know maybe people could stop cutting down friggin trees
The first step is to find the least common multiple (LCM) of all the denominators. Next, multiply each term by this LCM. When you have done this you will have a multistep problem which is free of fractions.
Can be done.