What is 3/36 plus 10/13? (Answer: 133/156)

Exact Answer

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Problem: What is 3/36 plus 10/13?
Formula / Expression: 3/36 + 10/13
Final Answer: 133/156
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 36 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 36 × 13 = 468.
Working: LCD(36, 13) = 468

Step 2: Convert to Equivalent Fractions with Common Denominator 468
Multiply the numerator and denominator of 3/36 by 13, and multiply the numerator and denominator of 10/13 by 36 so both fractions share the common base 468.
Working: 3 × 13/36 × 13 = 39/468 and 10 × 36/13 × 36 = 360/468

Step 3: Add the Numerators
Now add the numerators (39 + 360 = 399) and keep the common denominator 468 unchanged.
Working: 39 + 360/468 = 399/468

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 399 and 468, which is 3. Divide both the numerator and denominator by 3.
Working: 399 ÷ 3/468 ÷ 3 = 133/156

Step 5: Decimal & Percentage Representation
Dividing the numerator 133 by denominator 156 produces a repeating decimal (approximately 0.852564, or 85.2564%).
Working: 133 ÷ 156 = 0.852564 (85.2564%)

Key Values:
- Simplified Fraction: 133/156
- Mixed Number Form: 133/156
- Decimal Value: 0.852564
- Percentage: 85.2564%

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Solved with FractionsCalc:
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3/36 + 10/13 = 133/156

Simplified Fraction

133/156

Mixed Number

Proper (133/156)

Decimal Value

0.852564

Percentage

85.2564%

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Step-by-Step Solution: 3/36 + 10/13

Step 1

Find the Least Common Denominator (LCD)

The denominators 36 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 36 × 13 = 468.

LCD(36, 13) = 468

Step 2

Convert to Equivalent Fractions with Common Denominator 468

Multiply the numerator and denominator of 3/36 by 13, and multiply the numerator and denominator of 10/13 by 36 so both fractions share the common base 468.

3 × 13/36 × 13 = 39/468 and 10 × 36/13 × 36 = 360/468

Step 3

Add the Numerators

Now add the numerators (39 + 360 = 399) and keep the common denominator 468 unchanged.

39 + 360/468 = 399/468

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 399 and 468, which is 3. Divide both the numerator and denominator by 3.

399 ÷ 3/468 ÷ 3 = 133/156

Step 5

Decimal & Percentage Representation

Dividing the numerator 133 by denominator 156 produces a repeating decimal (approximately 0.852564, or 85.2564%).

133 ÷ 156 = 0.852564 (85.2564%)

Visual Representation

The diagram below illustrates 3/36 plus 10/13 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`133/156`
Mixed Number Form	`133/156`
Decimal Form	`0.852564`
Percentage	`85.2564%`

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Frequently Asked Questions

What is 3/36 plus 10/13 as a fraction?

3/36 + 10/13 in simplest fraction form is 133/156.

What is 3/36 plus 10/13 as a decimal?

3/36 + 10/13 converted to a decimal is 0.852564.

What is 3/36 plus 10/13 as a percentage?

3/36 + 10/13 expressed as a percentage is 85.2564%.

Does 3/36 plus 10/13 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.852564...) because the denominator contains prime factors other than 2 and 5.