Vocabulary
A _____________ is a number that can be written as a fraction or a decimal.
Rational Number
- 18/42 _____ - 15/21
-18/42 > -15/21
What is the GCF of 16 and 30?
2
What is the LCM of 15 and 9?
45
The smallest number, other than 0, that is a multiple of two or more numbers.
Least Common Multiple (LCM)
-3/8 ______ -5/7
-3/8 > -5/7
What is the GCF of 26 and 39?
13
What is the least common denominator for the fractions...
3/4, -2/5, 3/2
20
A number that has exactly 2 factors, 1 and itself.
Prime Number
3/8 _____ 0.64
3/8 < 0.64
What is the GCF of 54 and 36?
18
What is the LCM of 6 and 21?
42
The largest factor that two or more numbers have in common.
Greatest Common Factor (GCF)
Order from least to greatest.
-4.22, 0.8, -4 1/2 , 8.4, 4/3
-4 1/2, -4.22, 0.8, 4/3, 8.4
What is the GCF of 27 and 8?
1
What is the Least Common Denominator for...
7/20 and 3/8
40
To compare and order two or more FRACTIONS, the fractions must be written with __________ __________.
common denominators
Order Greatest to Least...
7/10, -0.35, -9/25, 0.63
7/10, 0.63, -0.35, -9/25
What is the GCF of 36, 54, and 72?
18
What is the LCM of 12 and 18?
36