What is 2/9 plus 5/14?
2/9 plus 5/14 equals 73/126 (or 0.579365 in decimal form). Learn the step-by-step solution to add 2/9 and 5/14 using Least Common Denominator and simplification.
Exact Answer
2/9 + 5/14 = 73/126
Simplified Fraction
73/126
Mixed Number
Proper (73/126)
Decimal Value
0.579365
Percentage
57.9365%
Step-by-Step Solution: 2/9 + 5/14
Step 1
Find the Least Common Denominator (LCD)
The denominators 9 and 14 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 9 × 14 = 126.
LCD(9, 14) = 126
Step 2
Convert to Equivalent Fractions with Common Denominator 126
Multiply the numerator and denominator of 2/9 by 14, and multiply the numerator and denominator of 5/14 by 9 so both fractions share the common base 126.
2 × 14/9 × 14 = 28/126 and 5 × 9/14 × 9 = 45/126
Step 3
Add the Numerators
Now add the numerators (28 + 45 = 73) and keep the common denominator 126 unchanged.
28 + 45/126 = 73/126
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 73 and 126 is 1, confirming that 73/126 cannot be reduced further—it is already in its simplest irreducible form.
73/126
Step 5
Decimal & Percentage Representation
Dividing the numerator 73 by denominator 126 produces a repeating decimal (approximately 0.579365, or 57.9365%).
73 ÷ 126 = 0.579365 (57.9365%)
Visual Representation
The diagram below illustrates 2/9 plus 5/14 visually:
+
=
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 73/126 |
| Mixed Number Form | 73/126 |
| Decimal Form | 0.579365 |
| Percentage | 57.9365% |
Was this solution helpful?
Help us improve our free step-by-step tools
Frequently Asked Questions
What is 2/9 plus 5/14 as a fraction?
2/9 + 5/14 in simplest fraction form is 73/126.
What is 2/9 plus 5/14 as a decimal?
2/9 + 5/14 converted to a decimal is 0.579365.
What is 2/9 plus 5/14 as a percentage?
2/9 + 5/14 expressed as a percentage is 57.9365%.
Does 2/9 plus 5/14 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.579365...) because the denominator contains prime factors other than 2 and 5.