Question

find $\frac{1}{5} - \frac{1}{6}$. how can i find the difference? think about the relationship between the denominators 5 and 6. complete the sentence. 5? a multiple of 6. options: is, is not

Explanation:

Step1: Judge if 5 is a multiple of 6

Multiples of 6 are 6,12,... 5 is not in them, so choose "is not".

Step2: Find common denominator of $\frac{1}{5}$ and $\frac{1}{6}$

Common denominator is $5×6=30$.

Step3: Rewrite fractions with common denominator

$\frac{1}{5}=\frac{6}{30}$, $\frac{1}{6}=\frac{5}{30}$.

Step4: Calculate the difference

$\frac{6}{30}-\frac{5}{30}=\frac{1}{30}$.

Answer:

is not; $\frac{1}{30}$