What is 2/8 plus 7/19?
2/8 plus 7/19 equals 47/76 (or 0.618421 in decimal form). Learn the step-by-step solution to add 2/8 and 7/19 using Least Common Denominator and simplification.
Exact Answer
2/8 + 7/19 = 47/76
Simplified Fraction
47/76
Mixed Number
Proper (47/76)
Decimal Value
0.618421
Percentage
61.8421%
Step-by-Step Solution: 2/8 + 7/19
Step 1
Find the Least Common Denominator (LCD)
The denominators 8 and 19 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 8 ร 19 = 152.
LCD(8, 19) = 152
Step 2
Convert to Equivalent Fractions with Common Denominator 152
Multiply the numerator and denominator of 2/8 by 19, and multiply the numerator and denominator of 7/19 by 8 so both fractions share the common base 152.
2 ร 19/8 ร 19 = 38/152 and 7 ร 8/19 ร 8 = 56/152
Step 3
Add the Numerators
Now add the numerators (38 + 56 = 94) and keep the common denominator 152 unchanged.
38 + 56/152 = 94/152
Step 4
Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 94 and 152, which is 2. Divide both the numerator and denominator by 2.
94 รท 2/152 รท 2 = 47/76
Step 5
Decimal & Percentage Representation
Dividing the numerator 47 by denominator 76 produces a repeating decimal (approximately 0.618421, or 61.8421%).
47 รท 76 = 0.618421 (61.8421%)
Visual Representation
The diagram below illustrates 2/8 plus 7/19 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 47/76 |
| Mixed Number Form | 47/76 |
| Decimal Form | 0.618421 |
| Percentage | 61.8421% |
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Frequently Asked Questions
What is 2/8 plus 7/19 as a fraction?
2/8 + 7/19 in simplest fraction form is 47/76.
What is 2/8 plus 7/19 as a decimal?
2/8 + 7/19 converted to a decimal is 0.618421.
What is 2/8 plus 7/19 as a percentage?
2/8 + 7/19 expressed as a percentage is 61.8421%.
Does 2/8 plus 7/19 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.618421...) because the denominator contains prime factors other than 2 and 5.