Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Fractions
Subtraction of fractions
Least common denominator (LCD)
Formulas
Least Common Denominator (LCD): LCM of 35 and 20
Subtraction of fractions with common denominator: (a/b) - (c/b) = (a-c)/b
Theorems
Least Common Multiple (LCM) theorem
Suitable Grade Level
Grades 6-8