What is 2/9 plus 5/22?
2/9 plus 5/22 equals 89/198 (or 0.449495 in decimal form). Learn the step-by-step solution to add 2/9 and 5/22 using Least Common Denominator and simplification.
Exact Answer
2/9 + 5/22 = 89/198
Simplified Fraction
89/198
Mixed Number
Proper (89/198)
Decimal Value
0.449495
Percentage
44.9495%
Step-by-Step Solution: 2/9 + 5/22
Step 1
Find the Least Common Denominator (LCD)
The denominators 9 and 22 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 9 × 22 = 198.
LCD(9, 22) = 198
Step 2
Convert to Equivalent Fractions with Common Denominator 198
Multiply the numerator and denominator of 2/9 by 22, and multiply the numerator and denominator of 5/22 by 9 so both fractions share the common base 198.
2 × 22/9 × 22 = 44/198 and 5 × 9/22 × 9 = 45/198
Step 3
Add the Numerators
Now add the numerators (44 + 45 = 89) and keep the common denominator 198 unchanged.
44 + 45/198 = 89/198
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 89 and 198 is 1, confirming that 89/198 cannot be reduced further—it is already in its simplest irreducible form.
89/198
Step 5
Decimal & Percentage Representation
Dividing the numerator 89 by denominator 198 produces a repeating decimal (approximately 0.449495, or 44.9495%).
89 ÷ 198 = 0.449495 (44.9495%)
Visual Representation
The diagram below illustrates 2/9 plus 5/22 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 89/198 |
| Mixed Number Form | 89/198 |
| Decimal Form | 0.449495 |
| Percentage | 44.9495% |
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Frequently Asked Questions
What is 2/9 plus 5/22 as a fraction?
2/9 + 5/22 in simplest fraction form is 89/198.
What is 2/9 plus 5/22 as a decimal?
2/9 + 5/22 converted to a decimal is 0.449495.
What is 2/9 plus 5/22 as a percentage?
2/9 + 5/22 expressed as a percentage is 44.9495%.
Does 2/9 plus 5/22 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.449495...) because the denominator contains prime factors other than 2 and 5.