What is 2/16 plus 2/10? (Answer: 13/40)

Exact Answer

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Problem: What is 2/16 plus 2/10?
Formula / Expression: 2/16 + 2/10
Final Answer: 13/40
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 16 and 10 share a common factor (GCD = 2). Finding their Least Common Multiple gives an LCD of 80 (which is smaller than their product 16 × 10 = 160, keeping the calculation simpler).
Working: LCD(16, 10) = 80

Step 2: Convert to Equivalent Fractions with Common Denominator 80
Multiply the numerator and denominator of 2/16 by 5, and multiply the numerator and denominator of 2/10 by 8 so both fractions share the common base 80.
Working: 2 × 5/16 × 5 = 10/80 and 2 × 8/10 × 8 = 16/80

Step 3: Add the Numerators
Now add the numerators (10 + 16 = 26) and keep the common denominator 80 unchanged.
Working: 10 + 16/80 = 26/80

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 26 and 80, which is 2. Divide both the numerator and denominator by 2.
Working: 26 ÷ 2/80 ÷ 2 = 13/40

Step 5: Decimal & Percentage Representation
Dividing the numerator 13 by denominator 40 yields an exact terminating decimal of 0.325 (or 32.5%).
Working: 13 ÷ 40 = 0.325 (32.5%)

Key Values:
- Simplified Fraction: 13/40
- Mixed Number Form: 13/40
- Decimal Value: 0.325
- Percentage: 32.5%

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Solved with FractionsCalc:
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2/16 + 2/10 = 13/40

Simplified Fraction

13/40

Mixed Number

Proper (13/40)

Decimal Value

0.325

Percentage

32.5%

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Step-by-Step Solution: 2/16 + 2/10

Step 1

Find the Least Common Denominator (LCD)

The denominators 16 and 10 share a common factor (GCD = 2). Finding their Least Common Multiple gives an LCD of 80 (which is smaller than their product 16 × 10 = 160, keeping the calculation simpler).

LCD(16, 10) = 80

Step 2

Convert to Equivalent Fractions with Common Denominator 80

Multiply the numerator and denominator of 2/16 by 5, and multiply the numerator and denominator of 2/10 by 8 so both fractions share the common base 80.

2 × 5/16 × 5 = 10/80 and 2 × 8/10 × 8 = 16/80

Step 3

Add the Numerators

Now add the numerators (10 + 16 = 26) and keep the common denominator 80 unchanged.

10 + 16/80 = 26/80

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 26 and 80, which is 2. Divide both the numerator and denominator by 2.

26 ÷ 2/80 ÷ 2 = 13/40

Step 5

Decimal & Percentage Representation

Dividing the numerator 13 by denominator 40 yields an exact terminating decimal of 0.325 (or 32.5%).

13 ÷ 40 = 0.325 (32.5%)

Visual Representation

The diagram below illustrates 2/16 plus 2/10 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`13/40`
Mixed Number Form	`13/40`
Decimal Form	`0.325`
Percentage	`32.5%`

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Frequently Asked Questions

What is 2/16 plus 2/10 as a fraction?

2/16 + 2/10 in simplest fraction form is 13/40.

What is 2/16 plus 2/10 as a decimal?

2/16 + 2/10 converted to a decimal is 0.325.

What is 2/16 plus 2/10 as a percentage?

2/16 + 2/10 expressed as a percentage is 32.5%.

Does 2/16 plus 2/10 result in a terminating or repeating decimal?

It results in an exact terminating decimal (0.325) because the denominator in simplest terms contains only prime factors 2 and/or 5.