Math Problem Statement
2/5 + 7/3 - 9/4 simplify
Solution
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Math Problem Analysis
Mathematical Concepts
Fractions
Addition and Subtraction of Fractions
Least Common Denominator
Formulas
LCD (Least Common Denominator)
Fraction Addition: a/b + c/d = (ad + bc)/bd
Fraction Subtraction: a/b - c/d = (ad - bc)/bd
Theorems
Least Common Denominator Theorem
Suitable Grade Level
Grades 6-8