Common Math Mistakes #math #misconceptions

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As a math teacher I can confirm this is exactly what I feel inside when this happens in class. And on top of that, they did not even simplify into the lowest terms!

christopherhoshaw
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I just make a common denominator. The add and reduce. 1/2+1/4. 2/4+1/4=3/4... Am I right or I just fill a measure cup up and see what it give me lol

kimknotts
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Can’t remember the last time I used that math 😂

tacturtle
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However, it can be proven that if you add the numerators and the denominators like that, the number you will get (2/6= 1/3) will be BETWEEN the two original fractions!

BernardGreenberg
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i think it would be 3/4, but, i honestly don't know how i was taught.. like, if it were any other fraction, id definitely be lost.. help?

coolmobkenny
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So without paper and pen. What's 1/3+1/4+1/5 =😊 a 90 yr old man told me only 2 people gave him the correct answer in 40 years. As he kept talking I said give me 10 seconds of you not talking. I then gave him the answer. He was shocked. I was the third person in 40 years. Hint, what's the common denominator???

margaretcouls
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6/12 + 3/12 = 4/12... I'm not good at math but this is wrong...

Kanix
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This is not a common mistake, it's just a lack of practice

nishanttiwari
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You Don’t add the two and the four together

iiluvbellafan