Identify Common Denominator: Identify a common denominator for 103 and 21. The denominators are 10 and 2. The least common denominator (LCD) for these two fractions is 10, since 10 is the smallest number that both denominators can divide into without a remainder.
Convert to Common Denominator: Convert 21 to a fraction with the common denominator of 10. To convert 21 to a fraction with a denominator of 10, multiply both the numerator and the denominator by 5. 21×55=105
Add Fractions: Add the two fractions with the common denominator.Now that both fractions have the same denominator, you can add the numerators together.103+105=10(3+5)
Perform Numerical Addition: Perform the addition of the numerators.Add the numerators 3 and 5.3+5=8
Write Result as Fraction: Write the result as a fraction with the common denominator.The sum of the numerators is 8, and the common denominator is 10.108
Simplify Fraction: Simplify the fraction 108 if possible.The fraction 108 can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 2.108÷22=54
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