What is 8/60 plus 3/13? (Answer: 71/195)

Exact Answer

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Problem: What is 8/60 plus 3/13?
Formula / Expression: 8/60 + 3/13
Final Answer: 71/195
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 60 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 60 × 13 = 780.
Working: LCD(60, 13) = 780

Step 2: Convert to Equivalent Fractions with Common Denominator 780
Multiply the numerator and denominator of 8/60 by 13, and multiply the numerator and denominator of 3/13 by 60 so both fractions share the common base 780.
Working: 8 × 13/60 × 13 = 104/780 and 3 × 60/13 × 60 = 180/780

Step 3: Add the Numerators
Now add the numerators (104 + 180 = 284) and keep the common denominator 780 unchanged.
Working: 104 + 180/780 = 284/780

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 284 and 780, which is 4. Divide both the numerator and denominator by 4.
Working: 284 ÷ 4/780 ÷ 4 = 71/195

Step 5: Decimal & Percentage Representation
Dividing the numerator 71 by denominator 195 produces a repeating decimal (approximately 0.364103, or 36.4103%).
Working: 71 ÷ 195 = 0.364103 (36.4103%)

Key Values:
- Simplified Fraction: 71/195
- Mixed Number Form: 71/195
- Decimal Value: 0.364103
- Percentage: 36.4103%

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Solved with FractionsCalc:
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8/60 + 3/13 = 71/195

Simplified Fraction

71/195

Mixed Number

Proper (71/195)

Decimal Value

0.364103

Percentage

36.4103%

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Step-by-Step Solution: 8/60 + 3/13

Step 1

Find the Least Common Denominator (LCD)

The denominators 60 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 60 × 13 = 780.

LCD(60, 13) = 780

Step 2

Convert to Equivalent Fractions with Common Denominator 780

Multiply the numerator and denominator of 8/60 by 13, and multiply the numerator and denominator of 3/13 by 60 so both fractions share the common base 780.

8 × 13/60 × 13 = 104/780 and 3 × 60/13 × 60 = 180/780

Step 3

Add the Numerators

Now add the numerators (104 + 180 = 284) and keep the common denominator 780 unchanged.

104 + 180/780 = 284/780

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 284 and 780, which is 4. Divide both the numerator and denominator by 4.

284 ÷ 4/780 ÷ 4 = 71/195

Step 5

Decimal & Percentage Representation

Dividing the numerator 71 by denominator 195 produces a repeating decimal (approximately 0.364103, or 36.4103%).

71 ÷ 195 = 0.364103 (36.4103%)

Visual Representation

The diagram below illustrates 8/60 plus 3/13 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`71/195`
Mixed Number Form	`71/195`
Decimal Form	`0.364103`
Percentage	`36.4103%`

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Frequently Asked Questions

What is 8/60 plus 3/13 as a fraction?

8/60 + 3/13 in simplest fraction form is 71/195.

What is 8/60 plus 3/13 as a decimal?

8/60 + 3/13 converted to a decimal is 0.364103.

What is 8/60 plus 3/13 as a percentage?

8/60 + 3/13 expressed as a percentage is 36.4103%.

Does 8/60 plus 3/13 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.364103...) because the denominator contains prime factors other than 2 and 5.