What is 2/19 plus 7/8? (Answer: 149/152)

Exact Answer

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Problem: What is 2/19 plus 7/8?
Formula / Expression: 2/19 + 7/8
Final Answer: 149/152
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 19 and 8 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 19 × 8 = 152.
Working: LCD(19, 8) = 152

Step 2: Convert to Equivalent Fractions with Common Denominator 152
Multiply the numerator and denominator of 2/19 by 8, and multiply the numerator and denominator of 7/8 by 19 so both fractions share the common base 152.
Working: 2 × 8/19 × 8 = 16/152 and 7 × 19/8 × 19 = 133/152

Step 3: Add the Numerators
Now add the numerators (16 + 133 = 149) and keep the common denominator 152 unchanged.
Working: 16 + 133/152 = 149/152

Step 4: Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 149 and 152 is 1, confirming that 149/152 cannot be reduced further—it is already in its simplest irreducible form.
Working: 149/152

Step 5: Decimal & Percentage Representation
Dividing the numerator 149 by denominator 152 produces a repeating decimal (approximately 0.980263, or 98.0263%).
Working: 149 ÷ 152 = 0.980263 (98.0263%)

Key Values:
- Simplified Fraction: 149/152
- Mixed Number Form: 149/152
- Decimal Value: 0.980263
- Percentage: 98.0263%

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Solved with FractionsCalc:
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2/19 + 7/8 = 149/152

Simplified Fraction

149/152

Mixed Number

Proper (149/152)

Decimal Value

0.980263

Percentage

98.0263%

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Step-by-Step Solution: 2/19 + 7/8

Step 1

Find the Least Common Denominator (LCD)

The denominators 19 and 8 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 19 × 8 = 152.

LCD(19, 8) = 152

Step 2

Convert to Equivalent Fractions with Common Denominator 152

Multiply the numerator and denominator of 2/19 by 8, and multiply the numerator and denominator of 7/8 by 19 so both fractions share the common base 152.

2 × 8/19 × 8 = 16/152 and 7 × 19/8 × 19 = 133/152

Step 3

Add the Numerators

Now add the numerators (16 + 133 = 149) and keep the common denominator 152 unchanged.

16 + 133/152 = 149/152

Step 4

Check if the Fraction Can Be Simplified

The Greatest Common Divisor (GCD) of 149 and 152 is 1, confirming that 149/152 cannot be reduced further—it is already in its simplest irreducible form.

149/152

Step 5

Decimal & Percentage Representation

Dividing the numerator 149 by denominator 152 produces a repeating decimal (approximately 0.980263, or 98.0263%).

149 ÷ 152 = 0.980263 (98.0263%)

Visual Representation

The diagram below illustrates 2/19 plus 7/8 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`149/152`
Mixed Number Form	`149/152`
Decimal Form	`0.980263`
Percentage	`98.0263%`

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Frequently Asked Questions

What is 2/19 plus 7/8 as a fraction?

2/19 + 7/8 in simplest fraction form is 149/152.

What is 2/19 plus 7/8 as a decimal?

2/19 + 7/8 converted to a decimal is 0.980263.

What is 2/19 plus 7/8 as a percentage?

2/19 + 7/8 expressed as a percentage is 98.0263%.

Does 2/19 plus 7/8 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.980263...) because the denominator contains prime factors other than 2 and 5.