What is 2/10 plus 2/10?
2/10 plus 2/10 equals 2/5 (or 0.4 in decimal form). Learn the step-by-step solution to add 2/10 and 2/10 using Least Common Denominator and simplification.
Exact Answer
2/10 + 2/10 = 2/5
Simplified Fraction
2/5
Mixed Number
Proper (2/5)
Decimal Value
0.4
Percentage
40%
Step-by-Step Solution: 2/10 + 2/10
Step 1
Check the Denominators (Like Fractions)
Both fractions already share the identical denominator (10). Because these are like fractions, no conversion to a common denominator is required—we directly add their numerators while keeping the denominator 10.
2/10 + 2/10
Step 2
Add the Numerators
Now add the numerators (2 + 2 = 4) and keep the common denominator 10 unchanged.
2 + 2/10 = 4/10
Step 3
Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 4 and 10, which is 2. Divide both the numerator and denominator by 2.
4 ÷ 2/10 ÷ 2 = 2/5
Step 4
Decimal & Percentage Representation
Dividing the numerator 2 by denominator 5 yields an exact terminating decimal of 0.4 (or 40%).
2 ÷ 5 = 0.4 (40%)
Visual Representation
The diagram below illustrates 2/10 plus 2/10 visually:
+
=
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 2/5 |
| Mixed Number Form | 2/5 |
| Decimal Form | 0.4 |
| Percentage | 40% |
Was this solution helpful?
Help us improve our free step-by-step tools
Frequently Asked Questions
What is 2/10 plus 2/10 as a fraction?
2/10 + 2/10 in simplest fraction form is 2/5.
What is 2/10 plus 2/10 as a decimal?
2/10 + 2/10 converted to a decimal is 0.4.
What is 2/10 plus 2/10 as a percentage?
2/10 + 2/10 expressed as a percentage is 40%.
Does 2/10 plus 2/10 result in a terminating or repeating decimal?
It results in an exact terminating decimal (0.4) because the denominator in simplest terms contains only prime factors 2 and/or 5.