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Who invented adding and subtracting fractions?
Me
Adding and subtracting fractions?
Pulled and mulled
How is adding on number line different from subtracting on a number line?
When subtracting, the number moves to the left (negative direction). When adding, the number moves to the right (positive direction).
When would you need to know what LCM is?
When you are adding or subtracting fractions.
How would you find the LCD when adding or subtracting rational expressions with different denominators?
No
How do you decide how many significant figures the answer should have when you are adding and subtracting?
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
How do you determine how many significant figures to keep in an answer obtained by adding and subtracting?
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
What is the rule for adding or subtracting significant digits?
Make sure the answer is rounded to significant digits as well.
What is the rule for significant figures when adding or subtracting decimals?
When adding and/or subtracting, your answer can only show as many decimal places as the measurement having the fewest number in the decimal places.
What must each number have when adding and subtracting scientific numbers?
same number of significant digits
How are adding and subtracting fractions similar?
Subtracting a fraction is the same as adding its negative.
Is sum adding or subtracting?
adding
How many more is subtracting or adding?
subtracting
What is the Rule about significant figures when adding or subtracting measurements?
The rule for significant figures is that when adding, subtracting, dividing, or applying any mathematical treatment, one cannot calculate a result that has more significant digits than that of the input with the least number of significant digits. This is because any result cannot be more accurate than the least accurate input.
What are the operation of polynomials?
Adding and subtracting polynomials is simply the adding and subtracting of their like terms.
Is more than subtracting or adding?
adding
What did you learn from adding and subtracting fractions?
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.
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