Simplify 20/42 to Lowest Terms
20/42 simplified to its lowest terms is 10/21 (or 0.47619 in decimal). See how to reduce 20/42 using Greatest Common Divisor (GCD = 2).
Exact Answer
20/42 = 10/21
Simplified Fraction
10/21
Mixed Number
Proper (10/21)
Decimal Value
0.47619
Percentage
47.619%
Step-by-Step Solution: 20/42 = 10/21
Step 1
Find the Factors of the Numerator and Denominator
List the positive factors of both numbers:
• Factors of 20:
• Factors of 42:
• Factors of 20:
1, 2, 4, 5, 10, 20• Factors of 42:
1, 2, 3, 6, 7, 14, 21, 42
GCD(20, 42) = 2
Step 2
Divide Both by the Greatest Common Divisor (GCD)
The Greatest Common Divisor (GCD) is 2. Divide both the numerator (20) and denominator (42) by 2.
20 ÷ 2/42 ÷ 2 = 10/21
Visual Representation
The diagram below illustrates Simplify 20/42 visually:
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 10/21 |
| Mixed Number Form | 10/21 |
| Decimal Form | 0.47619 |
| Percentage | 47.619% |
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Frequently Asked Questions
What is 20/42 in simplest form?
20/42 simplified to lowest terms is 10/21.
What is the GCD (GCF) of 20 and 42?
The Greatest Common Divisor (GCD) of 20 and 42 is 2.
What are equivalent fractions to 20/42?
Equivalent fractions to 20/42 include 20/42, 30/63, and 40/84.