Math Problem Statement
solve
Solution
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Math Problem Analysis
Mathematical Concepts
Signed fractions
Subtraction of fractions
Negative numbers
Formulas
a/b - c/d = (ad - bc) / bd for subtracting fractions
Least common denominator (LCD) between two fractions
Theorems
Addition of signed numbers
Fraction subtraction rule
Simplification of fractions
Suitable Grade Level
Grades 7-9