FRACTIONS
Writing fractions with a common denominator to add or subtract
Let's find $\frac{2}{5} + \frac{1}{3}$
First write the addition with a common denominator. Then add.
$\frac{2}{5} + \frac{1}{3} = \frac{◻}{◻} + \frac{◻}{◻} = \frac{◻}{◻}$

Answer

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Answer

$\frac{2}{5} + \frac{1}{3} = \frac{6}{15} + \frac{5}{15} = \frac{11}{15}$

Steps

Step 1 ： $lcm (5, 3) = 15$

Step 2 ： $\frac{2}{5} + \frac{1}{3} = \frac{2 \times 3}{5 \times 3} + \frac{1 \times 5}{3 \times 5}$

Step 3 ： $\frac{2}{5} + \frac{1}{3} = \frac{6}{15} + \frac{5}{15} = \frac{11}{15}$