What is 2/16 plus 7/10? (Answer: 33/40)

Exact Answer

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Problem: What is 2/16 plus 7/10?
Formula / Expression: 2/16 + 7/10
Final Answer: 33/40
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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 7/10 by 8 so both fractions share the common base 80.
Working: 2 × 5/16 × 5 = 10/80 and 7 × 8/10 × 8 = 56/80

Step 3: Add the Numerators
Now add the numerators (10 + 56 = 66) and keep the common denominator 80 unchanged.
Working: 10 + 56/80 = 66/80

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 66 and 80, which is 2. Divide both the numerator and denominator by 2.
Working: 66 ÷ 2/80 ÷ 2 = 33/40

Step 5: Decimal & Percentage Representation
Dividing the numerator 33 by denominator 40 yields an exact terminating decimal of 0.825 (or 82.5%).
Working: 33 ÷ 40 = 0.825 (82.5%)

Key Values:
- Simplified Fraction: 33/40
- Mixed Number Form: 33/40
- Decimal Value: 0.825
- Percentage: 82.5%

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Solved with FractionsCalc:
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2/16 + 7/10 = 33/40

Simplified Fraction

33/40

Mixed Number

Proper (33/40)

Decimal Value

0.825

Percentage

82.5%

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Step-by-Step Solution: 2/16 + 7/10

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 7/10 by 8 so both fractions share the common base 80.

2 × 5/16 × 5 = 10/80 and 7 × 8/10 × 8 = 56/80

Step 3

Add the Numerators

Now add the numerators (10 + 56 = 66) and keep the common denominator 80 unchanged.

10 + 56/80 = 66/80

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 66 and 80, which is 2. Divide both the numerator and denominator by 2.

66 ÷ 2/80 ÷ 2 = 33/40

Step 5

Decimal & Percentage Representation

Dividing the numerator 33 by denominator 40 yields an exact terminating decimal of 0.825 (or 82.5%).

33 ÷ 40 = 0.825 (82.5%)

Visual Representation

The diagram below illustrates 2/16 plus 7/10 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`33/40`
Mixed Number Form	`33/40`
Decimal Form	`0.825`
Percentage	`82.5%`

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Frequently Asked Questions

What is 2/16 plus 7/10 as a fraction?

2/16 + 7/10 in simplest fraction form is 33/40.

What is 2/16 plus 7/10 as a decimal?

2/16 + 7/10 converted to a decimal is 0.825.

What is 2/16 plus 7/10 as a percentage?

2/16 + 7/10 expressed as a percentage is 82.5%.

Does 2/16 plus 7/10 result in a terminating or repeating decimal?

It results in an exact terminating decimal (0.825) because the denominator in simplest terms contains only prime factors 2 and/or 5.