2 1/3 + 5 2/7 =

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2 1/3 + 5 2/7 =

A7 3/10

B7 13/21

C10 2/21

D10 3/10

Answer:

$2\frac{1}{3} +5\frac{2}{7}$ = $\frac{2\times3+1}{3}+\frac{5\times7+2}{7}$

=7/3 + 37/7

= $\frac{7\times7+37\times3}{7\times3}$

=160/21

= $7\frac{13}{21}$

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