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Substitute a fraction representing a whole to solve subtraction problems

Lesson 3 / 10

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I can substitute a fraction representing a whole to solve subtraction problems.

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A fraction with the same numerator and denominator is equal to one whole. To subtract a fraction from a whole, convert the whole to a fraction with the same denominator as the subtrahend. All fractions where the numerator and denominator are the same are equal and equal to 1

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