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1
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CT
23 tháng 1 2022
Quy đồng mẫu hai phân số ta có :
\(\frac{4}{7}=\frac{4\times12}{7\times12}=\frac{48}{84}\)
\(\frac{5}{12}=\frac{5\times7}{12\times7}=\frac{35}{84}\)
18 tháng 6 2017
A)\(\frac{3}{5}=\frac{42}{70};\frac{4}{7}=\frac{40}{70};\frac{5}{10}=\frac{35}{70}\)
B)\(\frac{4}{9}=\frac{8}{18};\frac{11}{18}=\frac{11}{18};\frac{5}{6}=\frac{15}{18}\)
VB
0
18 tháng 6 2017
a)\(\frac{35}{56}\)và \(\frac{35}{50}\)
b)\(\frac{36}{56}\)và \(\frac{36}{39}\)
Nhớ k cho mik nha ...
18 tháng 6 2017
A) \(\frac{35}{56}\)và \(\frac{35}{50}\)
B) \(\frac{36}{56}\) và \(\frac{36}{39}\)
k cho mình nhaa <3
TK
hãy quy đồng mẫu số hai phân số \(\frac{5}{6}\)và \(\frac{3}{8}\), với mẫu số chung là 24.
3
15 tháng 1 2017
5/6 = 5 x 4 / 6 x 4 = 20 / 24
3/8 = 3 x 3 / 8 x 3 = 9/24
tk mk nha
15 tháng 1 2017
\(\frac{5}{6}=\frac{5x4}{6x4}=\frac{20}{24}\)
\(\frac{3}{8}=\frac{3x3}{8x3}=\frac{9}{24}\)
......
20 tháng 2 2022
999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
4/13=48/156
5/12=65/156
6/13=72/156
7/12=91/156