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Lcm and Gcm
When to know to find a lcm and a gcm doing a unlike fractions and when to know to reduce a fraction after you get your answer
7/2 + x = 1/4
find a common denominator and multiply both sides by it to get rid of the fraction
What are 3 common multiples of 7 and 21?
Idk I just needed to ask the question I don't even know what this means
