a) \(\frac{3}{8}:\frac{5}{4}=\frac{3}{8}x\frac{4}{5}=\frac{12}{40}=\frac{3}{10}\)
b) \(\frac{4}{7}:\frac{2}{13}=\frac{4}{7}x\frac{13}{2}=\frac{52}{14}=\frac{26}{7}\)
a)3/8:5/4=3/8x4/5=3/10
b) 4/7:2/13=4/7x13/2=26/7
a, 3/8:5/4=3/8x4/5=12/40=3/10
b,4/7:2/13=4/7x13/2=52/14=26/7
a) 3/8 : 5/4 = 3/10
b) 4/7 : 2/13 = 26/7
ai k minh k lai
a) 3/8 : 5/4 = 3/20
b) 4/7 :2/13 = 26/7
a, 3/8:5/4=3/8.4/5=3/10
b, 4/7:2/13=4/7.13/2=26/7
3/8:5/4 =3/8x4/5=12/40=3/10
4/7:2/13=4/7x13/2=52/14=26/7