Question

Какая дробь больше и почему 5 класс 2/6 или 5/21 5/21 или 3/14

Answer 1

2/6, иначе 1/3, можно привести к знаменателю 21, будет 7/21, 7/21 больше чем 5/21;
5/21 и 3/14 надо привести к общему знаменателю 42, получается 10/42 и 9/42,10/42 больше чем 9/42

Answer 2

Comparing Fractions: 2/6 vs 5/21

To determine which fraction is greater between 2/6 and 5/21, we can compare them by finding a common denominator and then comparing the numerators.

First, let's find a common denominator for the fractions. The least common multiple (LCM) of 6 and 21 is 42. We can convert both fractions to have a denominator of 42.

Converting 2/6 to a fraction with a denominator of 42: - Multiply the numerator and denominator of 2/6 by 7 to get 14/42.

Converting 5/21 to a fraction with a denominator of 42: - Multiply the numerator and denominator of 5/21 by 2 to get 10/42.

Now that both fractions have the same denominator, we can compare their numerators.

Comparing 14/42 and 10/42, we can see that 14/42 is greater than 10/42 because 14 is greater than 10.

Therefore, the fraction 2/6 is greater than 5/21.