Simplify 20/40 to Lowest Terms
20/40 simplified to its lowest terms is 1/2 (or 0.5 in decimal). See how to reduce 20/40 using Greatest Common Divisor (GCD = 20).
Exact Answer
20/40 = 1/2
Simplified Fraction
1/2
Mixed Number
Proper (1/2)
Decimal Value
0.5
Percentage
50%
Step-by-Step Solution: 20/40 = 1/2
Step 1
Find the Factors of the Numerator and Denominator
List the positive factors of both numbers:
• Factors of 20:
• Factors of 40:
• Factors of 20:
1, 2, 4, 5, 10, 20• Factors of 40:
1, 2, 4, 5, 8, 10, 20, 40
GCD(20, 40) = 20
Step 2
Divide Both by the Greatest Common Divisor (GCD)
The Greatest Common Divisor (GCD) is 20. Divide both the numerator (20) and denominator (40) by 20.
20 ÷ 20/40 ÷ 20 = 1/2
Visual Representation
The diagram below illustrates Simplify 20/40 visually:
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 1/2 |
| Mixed Number Form | 1/2 |
| Decimal Form | 0.5 |
| Percentage | 50% |
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Frequently Asked Questions
What is 20/40 in simplest form?
20/40 simplified to lowest terms is 1/2.
What is the GCD (GCF) of 20 and 40?
The Greatest Common Divisor (GCD) of 20 and 40 is 20.
What are equivalent fractions to 20/40?
Equivalent fractions to 20/40 include 2/4, 3/6, and 4/8.