What is 2/20 plus 1/3? (Answer: 13/30)

Exact Answer

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Problem: What is 2/20 plus 1/3?
Formula / Expression: 2/20 + 1/3
Final Answer: 13/30
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 20 and 3 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 20 × 3 = 60.
Working: LCD(20, 3) = 60

Step 2: Convert to Equivalent Fractions with Common Denominator 60
Multiply the numerator and denominator of 2/20 by 3, and multiply the numerator and denominator of 1/3 by 20 so both fractions share the common base 60.
Working: 2 × 3/20 × 3 = 6/60 and 1 × 20/3 × 20 = 20/60

Step 3: Add the Numerators
Now add the numerators (6 + 20 = 26) and keep the common denominator 60 unchanged.
Working: 6 + 20/60 = 26/60

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 26 and 60, which is 2. Divide both the numerator and denominator by 2.
Working: 26 ÷ 2/60 ÷ 2 = 13/30

Step 5: Decimal & Percentage Representation
Dividing the numerator 13 by denominator 30 produces a repeating decimal (approximately 0.433333, or 43.3333%).
Working: 13 ÷ 30 = 0.433333 (43.3333%)

Key Values:
- Simplified Fraction: 13/30
- Mixed Number Form: 13/30
- Decimal Value: 0.433333
- Percentage: 43.3333%

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Solved with FractionsCalc:
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2/20 + 1/3 = 13/30

Simplified Fraction

13/30

Mixed Number

Proper (13/30)

Decimal Value

0.433333

Percentage

43.3333%

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Step-by-Step Solution: 2/20 + 1/3

Step 1

Find the Least Common Denominator (LCD)

The denominators 20 and 3 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 20 × 3 = 60.

LCD(20, 3) = 60

Step 2

Convert to Equivalent Fractions with Common Denominator 60

Multiply the numerator and denominator of 2/20 by 3, and multiply the numerator and denominator of 1/3 by 20 so both fractions share the common base 60.

2 × 3/20 × 3 = 6/60 and 1 × 20/3 × 20 = 20/60

Step 3

Add the Numerators

Now add the numerators (6 + 20 = 26) and keep the common denominator 60 unchanged.

6 + 20/60 = 26/60

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 26 and 60, which is 2. Divide both the numerator and denominator by 2.

26 ÷ 2/60 ÷ 2 = 13/30

Step 5

Decimal & Percentage Representation

Dividing the numerator 13 by denominator 30 produces a repeating decimal (approximately 0.433333, or 43.3333%).

13 ÷ 30 = 0.433333 (43.3333%)

Visual Representation

The diagram below illustrates 2/20 plus 1/3 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`13/30`
Mixed Number Form	`13/30`
Decimal Form	`0.433333`
Percentage	`43.3333%`

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Frequently Asked Questions

What is 2/20 plus 1/3 as a fraction?

2/20 + 1/3 in simplest fraction form is 13/30.

What is 2/20 plus 1/3 as a decimal?

2/20 + 1/3 converted to a decimal is 0.433333.

What is 2/20 plus 1/3 as a percentage?

2/20 + 1/3 expressed as a percentage is 43.3333%.

Does 2/20 plus 1/3 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.433333...) because the denominator contains prime factors other than 2 and 5.