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Earn +20 ptsQ: Why can't you add or subtract fractions that have different denominators?
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How do you subtract 45 from 45 and get 45 as the answer?
you just cant only if u subtract 45-0=45
Why do we use fractions?
the wat to represent quanites that we cant represent with whole numbers.
What is fifteen sixtenths minus one third?
first step is to convert to a common denominator. (if you cant think of any than just multiply the denominators together) we can convert to 48th's 15/16 =45/48 1/3 = 16/48 now we can just subtract the numerators (45-16)/48 = 29/48
How do you do a fraction on a calculator?
On some calculaters, u cant do fractions. You will need to do it with paper and pen(or pencil)
Imagine a life without fractions and decimals What are some things that would change?
You cant get exact measurments
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