Question

Quy đồng mẫu số 



2/3 , 3/4 , và 4/5

Answer 1

\(\frac{2}{3}=\frac{2\times20}{3\times20}=\frac{40}{60}\)

\(\frac{3}{4}=\frac{3\times15}{4\times15}=\frac{45}{60}\)

\(\frac{4}{5}=\frac{4\times12}{5\times12}=\frac{48}{60}\)

Answer 2

2/3=2*4*5/3*4*5=20/60
3/43*3*5/3*4*5=45\60
4/5=4*3*5/3*4*5=60/60

Answer 3

\(\frac{2}{3}=\frac{40}{60}\)

\(\frac{3}{4}=\frac{45}{60}\)

\(\frac{4}{5}=\frac{48}{60}\)

Answer 4

2/3=40/60,3/4=45/60,4/5=48/60

Answer 5

2/3=40/60

3/4=45/60

4/5=48/60

Answer 6

Củm ơn nhé !