Question

SIMPLIFIQUE

a) 84 / 72 B)54/90 C)98/28 D)147/189


E)63/105

Answer 1

$a) \frac{84}{72} = \frac{84 \div 12}{72 \div 12} = \frac{7}{6} \\ b) \frac{54}{90} = \frac{54 \div 18}{90 \div 18} = \frac{3}{5} \\ c) \frac{98}{28} = \frac{98 \div 14}{28 \div 14} = \frac{7}{2} \\ d) \frac{147}{189} = \frac{147 \div 21}{189 \div 21} = \frac{7}{9} \\ e) \frac{63}{105} = \frac{63 \div 21}{105 \div 21} = \frac{3}{5}$

Espero ter ajudado:)