What is 2/41 plus 2/20? (Answer: 61/410)

Exact Answer

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Problem: What is 2/41 plus 2/20?
Formula / Expression: 2/41 + 2/20
Final Answer: 61/410
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 41 and 20 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 41 × 20 = 820.
Working: LCD(41, 20) = 820

Step 2: Convert to Equivalent Fractions with Common Denominator 820
Multiply the numerator and denominator of 2/41 by 20, and multiply the numerator and denominator of 2/20 by 41 so both fractions share the common base 820.
Working: 2 × 20/41 × 20 = 40/820 and 2 × 41/20 × 41 = 82/820

Step 3: Add the Numerators
Now add the numerators (40 + 82 = 122) and keep the common denominator 820 unchanged.
Working: 40 + 82/820 = 122/820

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 122 and 820, which is 2. Divide both the numerator and denominator by 2.
Working: 122 ÷ 2/820 ÷ 2 = 61/410

Step 5: Decimal & Percentage Representation
Dividing the numerator 61 by denominator 410 produces a repeating decimal (approximately 0.14878, or 14.878%).
Working: 61 ÷ 410 = 0.14878 (14.878%)

Key Values:
- Simplified Fraction: 61/410
- Mixed Number Form: 61/410
- Decimal Value: 0.14878
- Percentage: 14.878%

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Solved with FractionsCalc:
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2/41 + 2/20 = 61/410

Simplified Fraction

61/410

Mixed Number

Proper (61/410)

Decimal Value

0.14878

Percentage

14.878%

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Step-by-Step Solution: 2/41 + 2/20

Step 1

Find the Least Common Denominator (LCD)

The denominators 41 and 20 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 41 × 20 = 820.

LCD(41, 20) = 820

Step 2

Convert to Equivalent Fractions with Common Denominator 820

Multiply the numerator and denominator of 2/41 by 20, and multiply the numerator and denominator of 2/20 by 41 so both fractions share the common base 820.

2 × 20/41 × 20 = 40/820 and 2 × 41/20 × 41 = 82/820

Step 3

Add the Numerators

Now add the numerators (40 + 82 = 122) and keep the common denominator 820 unchanged.

40 + 82/820 = 122/820

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 122 and 820, which is 2. Divide both the numerator and denominator by 2.

122 ÷ 2/820 ÷ 2 = 61/410

Step 5

Decimal & Percentage Representation

Dividing the numerator 61 by denominator 410 produces a repeating decimal (approximately 0.14878, or 14.878%).

61 ÷ 410 = 0.14878 (14.878%)

Visual Representation

The diagram below illustrates 2/41 plus 2/20 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`61/410`
Mixed Number Form	`61/410`
Decimal Form	`0.14878`
Percentage	`14.878%`

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Frequently Asked Questions

What is 2/41 plus 2/20 as a fraction?

2/41 + 2/20 in simplest fraction form is 61/410.

What is 2/41 plus 2/20 as a decimal?

2/41 + 2/20 converted to a decimal is 0.14878.

What is 2/41 plus 2/20 as a percentage?

2/41 + 2/20 expressed as a percentage is 14.878%.

Does 2/41 plus 2/20 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.14878...) because the denominator contains prime factors other than 2 and 5.