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Earn +20 ptsQ: What is the lcd of 18 and 7?
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What is the LCD 9 and 6?
lcd(9, 6) = 18.
What is the lcd of 7 9 and 2?
LCD(7, 9, 2) = 126.
What is the LCD of 18 and 14?
2
How to add a fraction?
1. Make sure that the denominators (bottom number) are the same by finding the LCD. Ex: The LCD of 3 and 9 is 18 because 3x6=18 and 9x2=18. 2. Change the denominator's number to the new LCD. Ex: Before: 1/3 and 6/9. After: 1/18 and 6/18. 3. Line the fractions up and add the numerator(top number). Ex: 1+6=7. 4. Dont add the denominator!! It will still be the same!! So the examples' answer would be 7/18. 5. Usually, you simplify fractions but since 7 is an odd number, this fraction will remain the same. Hope this helps!:)
What is the LCD for 5 and 7?
35
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