Subtract and simplify. Write the answer as a mixed number as needed.
-$15 \frac{4}{7}-\frac{16}{21}$
A) $15 \frac{17}{21}$
B) $14 \frac{17}{21}$
C) 14
D) $13 \frac{17}{21}$

Question

Quizplus · Accepted Answer

To subtract these fractions, first find a common denominator, which is 21 in this case. $15 \frac{4}{7}$ can be converted to $15 \frac{12}{21}$ to have the same denominator. Subtracting $\frac{16}{21}$ from $15 \frac{12}{21}$ gives $14 \frac{17}{21}$.

Subtract and Simplify 1547−162115 \frac{4}{7}-\frac{16}{21}1574​−2116​ A) 15172115 \frac{17}{21}152117​ B) 14172114 \frac{17}{21}142117​ C) 14 D)

Subtract and Simplify $15 \frac{4}{7}-\frac{16}{21}$ A) $15 \frac{17}{21}$ B) $14 \frac{17}{21}$ C) 14
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