Question

1/7+80/70

 

 

Answer 1

1/7+80/70=10/70+80/70=90/70

Answer 2

1/7 + 80 / 70 =

\(\frac{1\cdot10}{7\cdot10}+\frac{80}{70}=\frac{10}{70}+\frac{80}{70}=\frac{90}{70}=\frac{9}{7}\)

Answer 3

80/70 =8/7

1/7+8/7=9/7

Answer 4

\(\frac{80}{70}=\frac{8}{7}\)

\(\frac{1}{7}+\frac{8}{7}\\ =\frac{1+8}{7}=\frac{9}{7}\)