\(\frac{90}{120}=\frac{90:30}{120:30}=\frac{3}{4}\)
\(\frac{90}{120}=\frac{90:30}{120:30}=\frac{3}{4}\)
Hay rut gon cac phan so sau :
9 phan 6 ; 12 phan 4 va 90 phan 70
Cac ban hay rut gon va doc giong nhu minh nhe.
tong cua tu so va mau so cua 1 phan so la 90 sau khi rut gon phan ta duoc phan so 5/33tim phan so ban dau
rut gon phan so sau
11 phan 22
rut gon phan số x/120=30/48
32/100=
RUT GON PHAN SO SAU
mau so cua phan so lon hon tu so la 14don vi sau khi rut gon ta duoc phan so 933 /1000 tim phan so ban dau
Rut gon cac phan so sau:
15151515/49494949 ;128128128/256256256
Cho cac phan so 5 / 7, 6 / 9 , 12 / 24 , 23 / 24 va 6 / 14
a Tim phan so toi gian
b Phan so nao rut gon duoc . Hay rut gon
ai nhanh nhat minh TICK cho
rut gon phan so 195/221 thanh phan so toi gian