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Subjects>Math>Basic Math

How do you find the LCD of algebraic fractions?

Updated: 4/28/2022

Soccerrox4268 ∙

Lvl 1

∙ 15y ago

Best Answer

3/5 and 3/20you need to find the LCM of 5 and 20

multiples of 5: 0,5,10,15,20

multiples of 20: 0,20,40,60,80

the LCM of thedenominators,5 and 20, is 20

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What is the LCD for fractions?

The LCD for fractions is the LCM (least common multiple) of all of the denominators.

How do you find the lcd of fractions?

No sure way.just list the factors and circle common ones

How do you find equivalent fractions with lcd?

For the first fraction, divide the give denominator into the LCD, take that result and multiply by the given numerator to create a new numerator for the LCD. Repeat for each fraction.

How do you subtart fractions?

subtract? Find a common denominator (LCD is preferred). Convert each fraction to an equivalent fraction with the LCD. Add numerators, keep LCD as new denominator. Reduce the fraction.

Explain how comparing fractions with like denominators differs from comparing fractions with unlike denominators?

Because when you compare fractions with the same denominators, you do not have to find the least common denominator (LCM or LCD).

Related questions

Do you need to find the LCD in multipliying?

When multiplying fractions, it is not necessary to find the LCD first.

How the LCD of two or more fractions could be of use?

Once you find the LCD, convert the fractions to their equivalents and then you can add and/or subtract them correctly.

How do you write fractions as equivalent fractions with the LCD?

(1) find the LCD. (2) find the factor that each original denominator needs to be multiplied by to get the LCD. (3) multiply both the numerator and the denominator by that factor.

What is the LCD of 14 over 15?

You need at least two fractions to find an LCD.

What is the importance of reducing fractions to lowest term?

In order to find the LCD when adding or subtracting fractions

What is the LCD for fractions?

The LCD for fractions is the LCM (least common multiple) of all of the denominators.

Is it always necessary to find the LCD to compare the sizes of fractions explain?

Yes

How do you find the lcd of fractions?

No sure way.just list the factors and circle common ones

What is the LCD of 5 8ths?

You need at least two fractions to find a common denominator.

When is it useful to know multiples of a number?

When reducing fractions to their lowest terms or finding the LCD of fractions

IS THE LCD OF TWO FRACTIONS THE SAME AS THE LCM NUMERATORS AND FRACTIONS?

The LCD of two fractions is the same as the LCM of their denominators.

Common denominator of 5712?

You need at least two fractions to find an LCD. If that's 5/7 and 1/2, the LCD is 14.

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