% hay là phân số 3434 phần 4848

1717,2424

1717/2424 nhé bạn HT

a, 36/48=3/4(chia cả tử cả mẫu cho 12)

b, 105/210=1/2( chia cả tử và mẫu cho 105)

a,3/4

b,1/2

c,1040/27

d,14/24

a, 3/4

b,1/2

c,104/27

d,17/24

a. 44/77 = 4/7

b. -40/56 = -5/7

c. 143/-195 = -11/15

d. -2121/3434 = -21/34

4/7

8/7

a, \(\frac{44}{77}\)= \(\frac{4}{7}\)

b, \(\frac{-40}{56}\)= \(\frac{-5}{7}\)

c, \(\frac{143}{-195}\)= \(\frac{-11}{15}\)

d, \(\frac{-2121}{3434}\)= \(\frac{-21}{34}\)

HỌC TỐT

d, 

\(\frac{272727}{343434}+\frac{4141}{3434}=\frac{27}{34}+\frac{41}{34}=\frac{27+41}{34}=\frac{68}{34}=2\)

\(\frac{222222}{323232}=\frac{222222:20202}{323232:20202}=\frac{11}{16}\)

\(\frac{121212}{484848}=\frac{121212:121212}{484848:121212}=\frac{1}{4}\)

\(\frac{5555}{7575}=\frac{5555:505}{7575:505}=\frac{11}{15}\)

\(\frac{1111}{5656}=\frac{1111:101}{5656:101}=\frac{11}{56}\)

\(\frac{1919}{4141}=\frac{1919:101}{4141:101}=\frac{19}{41}\)

\(\frac{1515}{4545}=\frac{1515:1515}{4545:1515}=\frac{1}{3}\)

\(\frac{1515}{3636}=\frac{1515:303}{3636:303}=\frac{5}{12}\)

nhiều thế bạn

CHÚC BẠN HỌC GIỎI

1,11/16   2,1/4  3,11/15  4,11/56  5,19/41  6,1/3  7,5/12

a)12/23=1212/2323 vì:

12/23=12.101/23.101=1212/2323

b)-3434/4141=-34/41 vì:

-3434/4141=-3434:101/4141:101=-34/41

=>ab/cd=ab.101/cd.101=abab/cdcd