Question

Приведите к наименьшему общему знаменателю дроби : 11/12 и 23/60 , 4/5 и 1/6 , 8/9 и 2/7 , 7/8 и 6/11 , 4/15 и 5/12, 11/12 и 17/18, 23/30 и 2/45!!!!! Плиз пожалуйста срочно помогите

Answer 1

Первое 60 второе 30 третье 56 четвертое 88 пятое 60 шестое 36 седьмое 90

Answer 2

Finding the Least Common Denominator (LCD) for Fractions

To find the least common denominator (LCD) for fractions, we need to determine the smallest multiple that both denominators share. Once we find the LCD, we can convert the fractions to have the same denominator and perform operations on them.

Let's find the LCD for the given fractions:

1. 11/12 and 23/60: - The denominators are 12 and 60. - The multiples of 12 are 12, 24, 36, 48, 60, ... - The multiples of 60 are 60, 120, 180, 240, ... - The LCD is 60.

2. 4/5 and 1/6: - The denominators are 5 and 6. - The multiples of 5 are 5, 10, 15, 20, ... - The multiples of 6 are 6, 12, 18, 24, ... - The LCD is 30.

3. 8/9 and 2/7: - The denominators are 9 and 7. - The multiples of 9 are 9, 18, 27, 36, ... - The multiples of 7 are 7, 14, 21, 28, ... - The LCD is 63.

4. 7/8 and 6/11: - The denominators are 8 and 11. - The multiples of 8 are 8, 16, 24, 32, ... - The multiples of 11 are 11, 22, 33, 44, ... - The LCD is 88.

5. 4/15 and 5/12: - The denominators are 15 and 12. - The multiples of 15 are 15, 30, 45, 60, ... - The multiples of 12 are 12, 24, 36, 48, ... - The LCD is 60.

6. 11/12 and 17/18: - The denominators are 12 and 18. - The multiples of 12 are 12, 24, 36, 48, ... - The multiples of 18 are 18, 36, 54, 72, ... - The LCD is 36.

7. 23/30 and 2/45: - The denominators are 30 and 45. - The multiples of 30 are 30, 60, 90, 120, ... - The multiples of 45 are 45, 90, 135, 180, ... - The LCD is 90.

Now that we have found the LCD for each pair of fractions, we can convert the fractions to have the same denominator and perform any necessary operations.

Please let me know if you need further assistance!