Question

transforme as frações mistas em improprias 4 3/7 5 6/13 6 2/3

Answer 1

$4\dfrac{3}{7}=\dfrac{4\times7+3}{7}=\dfrac{28+3}{7}=\dfrac{31}{7}$

$5\dfrac{6}{13}=\dfrac{5\times13+6}{13}=\dfrac{65+6}{13}=\dfrac{71}{13}$

$6\dfrac{2}{3}=\dfrac{6\times3+2}{3}=\dfrac{18+2}{3}=\dfrac{20}{3}$