Simplify 18/20 to Lowest Terms
18/20 simplified to its lowest terms is 9/10 (or 0.9 in decimal). See how to reduce 18/20 using Greatest Common Divisor (GCD = 2).
Exact Answer
18/20 = 9/10
Simplified Fraction
9/10
Mixed Number
Proper (9/10)
Decimal Value
0.9
Percentage
90%
Step-by-Step Solution: 18/20 = 9/10
Step 1
Find the Factors of the Numerator and Denominator
List the positive factors of both numbers:
• Factors of 18:
• Factors of 20:
• Factors of 18:
1, 2, 3, 6, 9, 18• Factors of 20:
1, 2, 4, 5, 10, 20
GCD(18, 20) = 2
Step 2
Divide Both by the Greatest Common Divisor (GCD)
The Greatest Common Divisor (GCD) is 2. Divide both the numerator (18) and denominator (20) by 2.
18 ÷ 2/20 ÷ 2 = 9/10
Visual Representation
The diagram below illustrates Simplify 18/20 visually:
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 9/10 |
| Mixed Number Form | 9/10 |
| Decimal Form | 0.9 |
| Percentage | 90% |
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Frequently Asked Questions
What is 18/20 in simplest form?
18/20 simplified to lowest terms is 9/10.
What is the GCD (GCF) of 18 and 20?
The Greatest Common Divisor (GCD) of 18 and 20 is 2.
What are equivalent fractions to 18/20?
Equivalent fractions to 18/20 include 18/20, 27/30, and 36/40.