Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Fractions
Addition of Fractions
Subtraction of Fractions
Common Denominator
Formulas
For similar fractions: a/b + c/b = (a + c)/b
For dissimilar fractions: a/b + c/d = (ad + bc)/bd
For subtraction of similar fractions: a/b - c/b = (a - c)/b
For subtraction of dissimilar fractions: a/b - c/d = (ad - bc)/bd
Theorems
Least Common Denominator (LCD)
Fraction simplification
Suitable Grade Level
Grades 4-6
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