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Help me please Describe how operations on fractions with numbers are similar to, and different from, operations on fractions with variables.
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Help me please

Describe how operations on fractions with numbers are similar to, and different from, operations on fractions with variables.

User Trixx
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Operations with variables can give you excluded values by making the denominator equal to zero.

Ex. 48/60 always equals to 4/5 but 4x/6x is not always equal to 2/3 because when you make x equal to zero it makes the equation invalid.
User David Carroll
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