What is 2/4 plus 10/16? (Answer: 9/8)

Exact Answer

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Problem: What is 2/4 plus 10/16?
Formula / Expression: 2/4 + 10/16
Final Answer: 1 1/8 (9/8)
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
Notice that 16 is an exact multiple of 4 (4 × 4 = 16). The Least Common Denominator (LCD) is simply 16, meaning we only need to scale one fraction.
Working: LCD(4, 16) = 16

Step 2: Convert to Equivalent Fractions with Common Denominator 16
Multiply the numerator and denominator of 2/4 by 4, and multiply the numerator and denominator of 10/16 by 1 so both fractions share the common base 16.
Working: 2 × 4/4 × 4 = 8/16 and 10 × 1/16 × 1 = 10/16

Step 3: Add the Numerators
Now add the numerators (8 + 10 = 18) and keep the common denominator 16 unchanged.
Working: 8 + 10/16 = 18/16

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 18 and 16, which is 2. Divide both the numerator and denominator by 2.
Working: 18 ÷ 2/16 ÷ 2 = 9/8

Step 5: Convert Improper Fraction to a Mixed Number
Since the numerator (9) is greater than the denominator (8), divide 9 by 8: it goes in 1 whole time(s) with a remainder of 1, giving the mixed number 1 1/8.
Working: 9/8 = 1 1/8

Step 6: Decimal & Percentage Representation
Dividing the numerator 9 by denominator 8 yields an exact terminating decimal of 1.125 (or 112.5%).
Working: 9 ÷ 8 = 1.125 (112.5%)

Key Values:
- Simplified Fraction: 9/8
- Mixed Number Form: 1 1/8
- Decimal Value: 1.125
- Percentage: 112.5%

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Solved with FractionsCalc:
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2/4 + 10/16 = 9/8

Simplified Fraction

9/8

Mixed Number

1 1/8

Decimal Value

1.125

Percentage

112.5%

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Step-by-Step Solution: 2/4 + 10/16

Step 1

Find the Least Common Denominator (LCD)

Notice that 16 is an exact multiple of 4 (4 × 4 = 16). The Least Common Denominator (LCD) is simply 16, meaning we only need to scale one fraction.

LCD(4, 16) = 16

Step 2

Convert to Equivalent Fractions with Common Denominator 16

Multiply the numerator and denominator of 2/4 by 4, and multiply the numerator and denominator of 10/16 by 1 so both fractions share the common base 16.

2 × 4/4 × 4 = 8/16 and 10 × 1/16 × 1 = 10/16

Step 3

Add the Numerators

Now add the numerators (8 + 10 = 18) and keep the common denominator 16 unchanged.

8 + 10/16 = 18/16

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 18 and 16, which is 2. Divide both the numerator and denominator by 2.

18 ÷ 2/16 ÷ 2 = 9/8

Step 5

Convert Improper Fraction to a Mixed Number

Since the numerator (9) is greater than the denominator (8), divide 9 by 8: it goes in 1 whole time(s) with a remainder of 1, giving the mixed number 1 1/8.

9/8 = 11/8

Step 6

Decimal & Percentage Representation

Dividing the numerator 9 by denominator 8 yields an exact terminating decimal of 1.125 (or 112.5%).

9 ÷ 8 = 1.125 (112.5%)

Visual Representation

The diagram below illustrates 2/4 plus 10/16 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`9/8`
Mixed Number Form	`1 1/8`
Decimal Form	`1.125`
Percentage	`112.5%`

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Frequently Asked Questions

What is 2/4 plus 10/16 as a fraction?

2/4 + 10/16 in simplest fraction form is 9/8 (or 1 1/8 as a mixed number).

What is 2/4 plus 10/16 as a decimal?

2/4 + 10/16 converted to a decimal is 1.125.

What is 2/4 plus 10/16 as a percentage?

2/4 + 10/16 expressed as a percentage is 112.5%.

How do you write 2/4 plus 10/16 as a mixed number?

Because the numerator is greater than the denominator, the improper fraction 9/8 can be written as the mixed number 1 1/8.

Does 2/4 plus 10/16 result in a terminating or repeating decimal?

It results in an exact terminating decimal (1.125) because the denominator in simplest terms contains only prime factors 2 and/or 5.