# Quick Answer: How To Get Lcd In Math?

## What is the LCD of 1 3 and 2 7?

Therefore, the least common denominator ( LCD ) is 21.

## What is the LCD of 12 and 9?

Your common denominator would be 36. Another way to find this would be to multiply each fraction by the other fractions denominator.

## What is the LCD of 4 and 3?

Least common multiple ( LCM ) of 3 and 4 is 12.

## How do you fond an LCD?

This number will be your least common denominator ( LCD ). Divide the LCD by the original denominator. To determine the multiple needed to make the denominators equal, divide the LCD you determined by the original denominator. Multiply the numerator and the denominator of each fraction by this number.

## What is the LCD of 3 and 7?

Least common multiple (LCM) of 3 and 7 is 21.

## What is the LCD of 7 and 4?

Answer: LCM of 4 and 7 is 28.

## What is the LCD of 8 and 3?

The least common multiple of 3 and 8 is 24.

## What is the LCD of 7 and 9?

63 is the least common multiple of 7 and 9.

## What is the GCF of 9 and 12?

The biggest common factor number is the GCF number. So the greatest common factor 9 and 12 is 3.