5th Grade Math 6.9, Word Problem Solving, Practice Fraction Addition & Subtraction
The strategy work backward can help us solve a problem with fractions that involve addition and subtraction. We can write an equation to help us represent the problem, then we can work backward to solve for the unknown using an inverse operation. Remember, before we can add or subtract fractions, the fractions must have a common denominator. We ...
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· Apr 17, 2020