3 7 -1 21 is equal to: - Vidyadip

MCQ

$\frac{3}{7}-\frac{1}{21}$ is equal to:

A
$\frac{6}{7}$
B
$\frac{4}{19}$
✓
$\frac{8}{21}$
D
$\frac{10}{23}$

✓

Answer

Correct option: C.

$\frac{8}{21}$

C

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