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Q: How can models and equation help me subtract like fractions?

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You don't need "models and equations"; if the denominator is the same, just subtract the numerators.

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.

Finding the LCM will help you add and subtract fractions. Finding the GCF will help you reduce fractions.

Finding the LCM will help you when you need to add and subtract fractions.

It will help when you are trying to add and subtract fractions.

Finding an LCM will help when you want to add and subtract fractions.

Finding the prime factorizations of the denominators will help you find the least common denominator. Converting to equivalent fractions with like denominators will allow you to subtract them successfully.

It will help when you want to add and subtract unlike fractions.

Knowing the LCM of the denominators will help you to find a least common denominator of unlike fractions, which will allow you to add and subtract them successfully. Knowing the GCF and LCM will not help you in multiplying them, but knowing the GCF of the numerator and denominator of a fraction will help you reduce it if necessary.

The LCM is used to help you add or subtract fractions with different denominators.

Finding factors is the first step in finding the GCF and the LCM. They will help you to reduce fractions, or add and subtract them.

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