Math Problem Statement

Solution

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Math Problem Analysis

Mathematical Concepts

Fraction addition and subtraction
Least common denominator

Formulas

Sum of fractions with different denominators: a/b + c/d = (ad + bc) / bd
Difference of fractions with different denominators: a/b - c/d = (ad - bc) / bd

Theorems

Least Common Denominator (LCD) Theorem

Suitable Grade Level

Grades 6-8