Question
Find the least common denominator for each group of fractions.a) $\frac{3}{14}, \frac{2}{7}$b) $\frac{17}{25}, \frac{3}{10}$c) $\frac{29}{30}, \frac{3}{4}, \frac{9}{20}$
Step 1
The LCM of two numbers is the smallest number that is a multiple of both numbers. a) For the fractions $\frac{3}{14}$ and $\frac{2}{7}$, the denominators are 14 and 7. The LCM of 14 and 7 is 14. b) For the fractions $\frac{17}{25}$ and $\frac{3}{10}$, the Show more…
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