Fraction Calculator — Add, Subtract, Multiply, Divide Fractions
Add, subtract, multiply, and divide fractions with step-by-step solutions. Shows LCM for common denominators and simplifies using GCD.
✓ Formula verified: May 2026
Fraction Calculator
Results below
Enter Values
Addition
3/4 + 1/3
Result (Fraction)
13/12
Decimal Equivalent
1.0833
Simplified
▲ 13/12
What if your first numerator changes? 2 → 2/4 + 1/3 · 3 → 3/4 + 1/3 · 4 → 4/4 + 1/3
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Step-by-Step Solution
Operation
34+13
Visual Representation
3/4
+1/3
=13/12
Step 1: Find LCM of Denominators
LCM(4, 3) = 12
Step 2: Convert to Common Denominator
34→912(×3)
13→412(×4)
Step 3: Add Numerators
912+412=1312
Result
13/12
Decimal Equivalent
1.0833
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