Math Problem Statement
Solving rationale equation by cross multiplication
Solution
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Math Problem Analysis
Mathematical Concepts
Fractions
Cross Multiplication
Addition of Fractions
Basic Algebra
Formulas
Addition of fractions with different denominators: a/b + c/d = (a*d + b*c) / (b*d)
Cross multiplication: a/b = c/d -> a * d = b * c
Theorems
Fundamental theorem of fractions
Cross-multiplication theorem
Suitable Grade Level
Grade 6-8