Adding and Subtracting Fractions Answer Key
Master adding and subtracting fractions with like and unlike denominators.
Looking for Adding and Subtracting Fractions answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Adding and Subtracting Fractions Gizmo.
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Like Denominators
Q1.How do you add fractions with the same denominator?
Just add the numerators and keep the denominator the same. Example: 2/5 + 1/5 = 3/5.
Q2.What about subtracting fractions with the same denominator?
Subtract the numerators and keep the denominator. Example: 4/7 - 2/7 = 2/7.
Unlike Denominators
Q3.What do you do when denominators are different?
Find a common denominator (usually the least common multiple), convert both fractions, then add or subtract.
Q4.Add 1/3 + 1/4. What do you get?
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