You must have a common denominator, then add or subtract the numerators only.
Adding And Subtracting Fractions Questions. After each example there are practice questions for you to try. In each case, work out the what you think the answer is, then click to see whether you are correct.
Fractions Worksheets Printable Fractions Worksheets For Teachers from www.math-aids.com
To add or subtract fractions with unlike denominators. All fractions cannot be added or subtracted easily. Add and subtract fractions with like denominators in this online math lesson for kids.
I divided them up into teams, and half of them had adding fractions with like denominators and half of them had subtracting fractions with like denominators.
How to add and subtract mixed numbers. The numeric technique will be better understood once the concept can be properly visualized. I divided them up into teams, and half of them had adding fractions with like denominators and half of them had subtracting fractions with like denominators. But many times this leads to complex fractions that need to be simplified.