Solve the following exercise:
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Solve the following exercise:
To solve the problem , follow these steps:
Therefore, the solution to the problem is .
\( \frac{1}{3}+\frac{1}{4}= \)
Fractions represent parts of a whole. You can only subtract when the parts are the same size (same denominator). Think of it like trying to subtract 3 apples from 2 oranges - you need the same units first!
List the multiples of each denominator: 2 (2,4,6,8...), 8 (8,16,24...), 4 (4,8,12...). The smallest number that appears in all lists is your LCD. Here, it's 8!
The LCD must be divisible by all denominators. Using a smaller number means some fractions can't be converted, making subtraction impossible. Always use the true LCD!
Always check if your answer can be simplified! Look for common factors in the numerator and denominator. In this case, is already in lowest terms.
Yes! Convert all fractions to the LCD first, then work left to right: , then .
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