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Adding and Subtracting Mixed Numbers 1711 Views
Come on, mixed numbers. We have to do all these steps, and there's no promise that we'll end up with an easier number? Actually, it's not that bad. As long as you have the same denominator (which you can find using the least common denominator), you can add up the numerators and get your final answer.
It's impressive that these expressions are able to stay so rational even when they're having operations performed on them.
Jack and Jill went up the hill to fetch a pail of water. But what happened when they got up there? They’ve been gone an awfully long time…
SAT Math 7.3 Algebra and Functions
SAT Math 6.4 Algebra and Functions
Sometimes, we just want fewer y's...or more x's. That's why it's great to know how to add and subtract variables. In real life, though, we try to a...