Question

3/4-8/21= Помогите пожалуйста

Answer 1

Ответ:

31/84

Пошаговое объяснение:

$\frac{3}{4} - \frac{8}{21} = \frac{63 - 32}{84} = \frac{31}{84}$

Answer 2

3/4 - 8/21

To subtract these fractions, we need to find a common denominator. The least common denominator for 4 and 21 is 84.

Now we can rewrite the fractions with the common denominator: 3/4 = 63/84 8/21 = 32/84

So, the equation becomes: 63/84 - 32/84

Now we can subtract the numerators: 63 - 32 = 31

So the final answer is: 31/84