Question

9/35-3/28 помогите пожалуйста

Answer 1

$\frac{9}{35}- \frac{3}{28}= \frac{9*4}{7*5*4} - \frac{3*5}{7*4*5} = \frac{36}{140} - \frac{15}{140} = \frac{21}{140} = \frac{3}{20}$

Answer 2

36/140-15/140=21/140

Answer 3

Calculation of 9/35 - 3/28

To calculate the expression 9/35 - 3/28, we can find a common denominator and then subtract the fractions.

First, we need to find the least common multiple (LCM) of 35 and 28, which is 140. Then we can convert the fractions to have the common denominator of 140 and perform the subtraction.

The calculation is as follows: 9/35 * 4/4 - 3/28 * 5/5 = 36/140 - 15/140 = (36 - 15)/140 = 21/140

So, 9/35 - 3/28 = 21/140.