While cooking a stew, Dean used 1/2 of a pot of salt and 1/5 of a pot of pepper. How much more salt did Dean use?Write your answer as a fraction or as a whole or mixed number.
Question
While cooking a stew, Dean used 1/2 of a pot of salt and 1/5 of a pot of pepper. How much more salt did Dean use?Write your answer as a fraction or as a whole or mixed number.
Solution
To find out how much more salt Dean used than pepper, we need to subtract the fraction of the pot of pepper he used from the fraction of the pot of salt he used.
Here's how you do it:
- Write down the fractions: 1/2 (for salt) and 1/5 (for pepper).
- Subtract the fraction for pepper from the fraction for salt: 1/2 - 1/5.
To subtract fractions, they must have the same denominator. In this case, the denominators are 2 and 5. The least common denominator for 2 and 5 is 10.
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Convert the fractions to have the denominator of 10: 1/2 becomes 5/10 (because 1 x 5 = 5 and 2 x 5 = 10) and 1/5 becomes 2/10 (because 1 x 2 = 2 and 5 x 2 = 10).
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Now subtract the fractions: 5/10 - 2/10 = 3/10.
So, Dean used 3/10 of a pot more salt than pepper.
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