Math Problem Statement

Effectuer les calculs suivants en détaillant les étapes et donner les résultats sous la forme d'une fraction irréductible A= 42/75 + 22/30

Solution

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Math Problem Analysis

Mathematical Concepts

Fractions
Least Common Multiple (LCM)
Greatest Common Divisor (GCD)
Simplification of Fractions

Formulas

LCM of two numbers
GCD of two numbers
Addition of fractions with different denominators: (a/b) + (c/d) = (ad + bc) / bd
Simplification of fractions: divide numerator and denominator by GCD

Theorems

LCM Theorem
GCD Theorem

Suitable Grade Level

Grades 5-7