How do you rename 2/5 so you can add it to 11/25? What is the sum?
What is the sum of 5/30 + 4/6
Change 2/5 to 10/25.
25/5 = 5
5 * 2 = 10
10/25 + 11/25 = 21/25
What do you think you need to do to find the second sum?
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You are very welcome. :-)
To rename a fraction so that you can add it to another fraction, you need to find a common denominator for both fractions. The common denominator is a number that both denominators can divide evenly into.
For the first question, to rename 2/5 so you can add it to 11/25, you need to find a common denominator for 5 and 25. The least common multiple (LCM) of 5 and 25 is 25, so you can rename 2/5 as 10/25 by multiplying the numerator and denominator by 5.
Now, you can add 10/25 to 11/25. Since the denominators are the same, you can simply add the numerators together:
10/25 + 11/25 = 21/25
So, the sum of 2/5 and 11/25 is 21/25.
For the second question, to find the sum of 5/30 + 4/6, you need to find a common denominator for 30 and 6. The LCM of 30 and 6 is 30, so you can rename 5/30 as 1/6 by dividing the numerator and denominator by 5.
Now, you can add 1/6 to 4/6. Since the denominators are the same, you can simply add the numerators together:
1/6 + 4/6 = 5/6
So, the sum of 5/30 and 4/6 is 5/6.