Question

Сократите 15/36; 42/45; 25/100; 9/30; а потом превидите их к знаменателю 60

Answer 1

15/36=5/12=5*5/12*5=25/60
42/45=14/15=14*4/15*4=56/60
25/100=1/4=1*15/4*15=15/60
9/30=3/10=3*6/10*6=18/60

Answer 2

Simplifying and Converting Fractions to a Denominator of 60

To simplify and convert the given fractions to a denominator of 60, we can follow these steps:

1. Simplify the Fractions: - 15/36 - 42/45 - 25/100 - 9/30

2. Convert to Denominator of 60: - After simplifying, convert the fractions to a denominator of 60.

Let's proceed with the calculations.

Simplifying the Fractions

The given fractions are: - 15/36 - 42/45 - 25/100 - 9/30

To simplify these fractions, we can perform the following calculations:

1. 15/36: - This fraction can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3. - After simplification, the fraction becomes 5/12.

2. 42/45: - This fraction can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3. - After simplification, the fraction becomes 14/15.

3. 25/100: - This fraction can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 25. - After simplification, the fraction becomes 1/4.

4. 9/30: - This fraction can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 3. - After simplification, the fraction becomes 3/10.

Converting to a Denominator of 60

Now, let's convert these simplified fractions to a denominator of 60.

1. 5/12: - To convert 5/12 to a denominator of 60, we can multiply both the numerator and denominator by 5. - The fraction becomes 25/60.

2. 14/15: - To convert 14/15 to a denominator of 60, we can multiply both the numerator and denominator by 4. - The fraction becomes 56/60.

3. 1/4: - To convert 1/4 to a denominator of 60, we can multiply both the numerator and denominator by 15. - The fraction becomes 15/60.

4. 3/10: - To convert 3/10 to a denominator of 60, we can multiply both the numerator and denominator by 6. - The fraction becomes 18/60.

So, after simplifying and converting the fractions to a denominator of 60, we have: - 15/36 = 25/60 - 42/45 = 56/60 - 25/100 = 15/60 - 9/30 = 18/60

These are the simplified fractions with a denominator of 60.