# SAT Fractions

Number Theory Level 2

Daniel ate $$\frac{1}{7}$$ of a cake. Edward ate $$\frac{1}{3}$$ of what was left. What fraction of the cake is left uneaten?

(A) $$\ \ \frac{1}{7}$$

(B) $$\ \ \frac{2}{7}$$

(C) $$\ \ \frac{11}{21}$$

(D) $$\ \ \frac{4}{7}$$

(E) $$\ \ \frac{6}{7}$$

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