What is 9/41 plus 10/13? (Answer: 527/533)

Exact Answer

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Problem: What is 9/41 plus 10/13?
Formula / Expression: 9/41 + 10/13
Final Answer: 527/533
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 41 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 41 × 13 = 533.
Working: LCD(41, 13) = 533

Step 2: Convert to Equivalent Fractions with Common Denominator 533
Multiply the numerator and denominator of 9/41 by 13, and multiply the numerator and denominator of 10/13 by 41 so both fractions share the common base 533.
Working: 9 × 13/41 × 13 = 117/533 and 10 × 41/13 × 41 = 410/533

Step 3: Add the Numerators
Now add the numerators (117 + 410 = 527) and keep the common denominator 533 unchanged.
Working: 117 + 410/533 = 527/533

Step 4: Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 527 and 533 is 1, confirming that 527/533 cannot be reduced further—it is already in its simplest irreducible form.
Working: 527/533

Step 5: Decimal & Percentage Representation
Dividing the numerator 527 by denominator 533 produces a repeating decimal (approximately 0.988743, or 98.8743%).
Working: 527 ÷ 533 = 0.988743 (98.8743%)

Key Values:
- Simplified Fraction: 527/533
- Mixed Number Form: 527/533
- Decimal Value: 0.988743
- Percentage: 98.8743%

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Solved with FractionsCalc:
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9/41 + 10/13 = 527/533

Simplified Fraction

527/533

Mixed Number

Proper (527/533)

Decimal Value

0.988743

Percentage

98.8743%

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Step-by-Step Solution: 9/41 + 10/13

Step 1

Find the Least Common Denominator (LCD)

The denominators 41 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 41 × 13 = 533.

LCD(41, 13) = 533

Step 2

Convert to Equivalent Fractions with Common Denominator 533

Multiply the numerator and denominator of 9/41 by 13, and multiply the numerator and denominator of 10/13 by 41 so both fractions share the common base 533.

9 × 13/41 × 13 = 117/533 and 10 × 41/13 × 41 = 410/533

Step 3

Add the Numerators

Now add the numerators (117 + 410 = 527) and keep the common denominator 533 unchanged.

117 + 410/533 = 527/533

Step 4

Check if the Fraction Can Be Simplified

The Greatest Common Divisor (GCD) of 527 and 533 is 1, confirming that 527/533 cannot be reduced further—it is already in its simplest irreducible form.

527/533

Step 5

Decimal & Percentage Representation

Dividing the numerator 527 by denominator 533 produces a repeating decimal (approximately 0.988743, or 98.8743%).

527 ÷ 533 = 0.988743 (98.8743%)

Visual Representation

The diagram below illustrates 9/41 plus 10/13 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`527/533`
Mixed Number Form	`527/533`
Decimal Form	`0.988743`
Percentage	`98.8743%`

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Frequently Asked Questions

What is 9/41 plus 10/13 as a fraction?

9/41 + 10/13 in simplest fraction form is 527/533.

What is 9/41 plus 10/13 as a decimal?

9/41 + 10/13 converted to a decimal is 0.988743.

What is 9/41 plus 10/13 as a percentage?

9/41 + 10/13 expressed as a percentage is 98.8743%.

Does 9/41 plus 10/13 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.988743...) because the denominator contains prime factors other than 2 and 5.