To find the least common denominator,
list out the multiples of both denominators until you find the smallest multiple
How do you find the LCD?
In order to use the greatest common factor to solve the problem, you must first multiply the two denominators together. Divide this product by the GCF. After finding the product of the two denominators,
divide that product by the GCF you found previously
. This number will be your least common denominator (LCD).
What is the easiest way to find a common denominator?
The easiest way to find a common denominator for a pair of fractions is
to multiply the numerator and denominator of each fraction by the denominator of the other
.
What is the common denominator of 3 and 4?
Answer: LCM of 3 and 4 is
12
.
What are fractions with different denominators called?
From definition (1) we can say that the fractions with different denominators are called
unlike fractions
.
What is the smallest multiple of 3 and 4?
Answer: LCM of 3 and 4 is
12
.
What is a common denominator for denominators of 7 and 3?
Answer: LCM of 3 and 7 is
21
.
What is the LCM of 3 and 3?
What is the LCM of 3 and 3? Answer: LCM of 3 and 3
is 3
.
What is the lowest form of 12 by 30?
Therefore, 12/30 simplified to lowest terms is
2/5
.
What are the 7 types of fractions?
- Like Fractions:
- The same Numerator Fractions:
- Unit Fractions:
- Proper fractions:
- Improper Fractions:
- Mixed Fractions:
What is the reciprocal of 5 by 8?
The reciprocal of 5/8 is
8/5
.
What is the smallest multiple of 4?
Multiples of 4 are: 4, 8, 12, 16, 20, 24, 28, 32, 36, … Multiples of 6 are: 6, 12, 18, 24, 30, 36, … Multiples of 8 are: 8, 16, 24, 32, 40, …. So
24 is the least
common multiple (I can’t find a smaller one!)
What is the LCM of 4/6 and 3?
What is the LCM of 3, 4, and 6? The LCM of 3, 4, and 6 is
12
.
What is the least common multiple of 4 3 and 12?
Therefore, the LCM of 3, 4, and 12 is
12
.
What is the GCF of 3 and 7?
Answer: GCF of 3 and 7 is
1
.
What is the LCD of 7 3 and 2?
Least Common Multiple is
42
.
