Question

Выполните вычитание 8/21-4/35

Answer 1

2/7
....................

Answer 2

Subtraction of Fractions

To perform the subtraction 8/21 - 4/35, we can follow these steps:

1. Find a Common Denominator: The first step is to find a common denominator for the fractions. In this case, the least common denominator for 21 and 35 is 105.

2. Convert Fractions: Convert both fractions to have the common denominator of 105.

3. Subtract Numerators: Subtract the numerators of the fractions while keeping the common denominator.

Let's perform these steps:

1. Find a Common Denominator: The least common denominator for 21 and 35 is 105.

2. Convert Fractions: - 8/21 becomes 40/105 (multiplied by 5/5) - 4/35 becomes 12/105 (multiplied by 3/3)

3. Subtract Numerators: 40/105 - 12/105 = 28/105

So, the result of the subtraction 8/21 - 4/35 is 28/105.