Question

Как найти общий знаменатель 5целых пять четырнадцатых и 5 целых восемь двадцать первых????? Помоните пожалуйста!)))))☺

Answer 1

Домножь первую дробь на 3, а вторую на 2. 
получится(5 целых 15/41) и ( 5 целых 16/41)

Answer 2

Finding the Least Common Denominator

To find the least common denominator for the fractions 5, 5/14, and 5 8/21, we can follow these steps:

1. Express Mixed Numbers as Improper Fractions: - Convert the mixed number 5 8/21 to an improper fraction. This can be done by multiplying the whole number (5) by the denominator (21) and adding the numerator (8) to get the new numerator. The denominator remains the same. - 5 8/21 as an improper fraction is (5 * 21 + 8)/21 = 113/21.

2. Identify the Denominators: - The denominators of the given fractions are 1, 14, and 21.

3. Find the Least Common Denominator (LCD): - The least common denominator is the smallest multiple that all the denominators can divide into evenly.

4. Calculate the LCD: - The least common multiple of 1, 14, and 21 is 42.

Conclusion

The least common denominator for the fractions 5, 5/14, and 5 8/21 is 42. This means that when working with these fractions, you can convert them to equivalent fractions with a denominator of 42 to perform operations.

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