Understanding how to work with common denominators and the crisscross method is essential for solving various mathematical problems, especially in fractions and algebra. This guide will walk you through the steps to master these techniques, ensuring you can handle complex equations with ease. Step-by-Step Guide to Using Common Denominators Multiply the Tops and Bottoms When dealing with fractions, it’s crucial to ensure that you use common denominators. Start by multiplying the numerator (top) and the denominator (bottom) of the fractions. Applying the Crisscross Method The crisscross method involves multiplying the last denominator by the numerator of the other fraction. Multiply the right denominator by the left numerator, and then multiply the denominators together. Combine Like Terms After finding common denominators, combine like terms in the numerators. This simplifies the fractions and makes it easier to solve the equations. Simplifying the Denominators Ensure that the denominat...
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