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\(\frac{5}{12}\)=\(\frac{10}{24}\)
\(\frac{2}{3}\)=\(\frac{16}{24}\)
\(\frac{7}{24}\)
chúc bạn hok tốt
5/12 quy đồng thành 10/24, 2/3 quy đồng thành 16/24,7/24 giữ nguyên
a: \(MSC:24\\ \dfrac{1}{3}=\dfrac{1\times8}{3\times8}=\dfrac{8}{24};\dfrac{1}{4}=\dfrac{1\times6}{4\times6}=\dfrac{6}{24}\)
b: \(MSC:24\\ \dfrac{5}{12}=\dfrac{5\times2}{12\times2}=\dfrac{10}{24};\dfrac{7}{6}=\dfrac{7\times4}{6\times4}=\dfrac{28}{24}\)
bài3
1. \(\frac{4}{3}\)= \(\frac{4x4}{3x4}\)=\(\frac{20}{12}\)
\(\frac{3}{4}\)=\(\frac{3x3}{4x3}\)=\(\frac{9}{12}\)
2.\(\frac{5}{4}\)=\(\frac{5x6}{4x6}\)=\(\frac{30}{24}\)
\(\frac{5}{6}\)=\(\frac{5x4}{6x4}\)=\(\frac{20}{24}\)
3.\(\frac{3}{8}\)=\(\frac{3x6}{8x6}\)=\(\frac{18}{48}\)
\(\frac{1}{6}\)=\(\frac{1x6}{6x8}\)=\(\frac{6}{48}\)
4.\(\frac{2}{5}\)=\(\frac{2x7}{5x7}\)=\(\frac{14}{35}\)
\(\frac{4}{7}\)=\(\frac{4x5}{7x5}\)=\(\frac{20}{35}\)
a)\(\frac{5}{12}=\frac{5\times5}{12\times5}=\frac{25}{60}\)
\(\frac{7}{15}=\frac{7\times4}{15\times4}=\frac{28}{60}\)
b)\(\frac{2}{7}=\frac{2\times9}{7\times9}=\frac{18}{63}\)
\(\frac{4}{9}=\frac{4\times7}{9\times7}=\frac{28}{63}\)
\(\dfrac{5}{12}=\dfrac{5\times2}{12\times2}=\dfrac{10}{24};\dfrac{7}{24}\)
10/24 ; 7/24