Question

Giúp mình với mọi người ơi Quy đồng mẫu số các phân số sau 1/7;3/8và2/9

Answer 1

\(\frac{1}{7}\)= \(\frac{1x8x9}{7x8x9}\)= \(\frac{72}{504}\)

\(\frac{3}{8}\)= \(\frac{3x7x9}{8x7x9}\)= \(\frac{189}{504}\)

\(\frac{2}{9}\)= \(\frac{2x7x8}{9x7x8}\)= \(\frac{112}{504}\)

~Nhớ t i c h iêmk

Answer 2

Bh jcgthdscgbnzbcfhhfdhkufvbydfgj

Answer 3

\(\dfrac{1}{7}\) = \(\dfrac{1\times8\times9}{7\times8\times9}\) = \(\dfrac{72}{504}\)

\(\dfrac{3}{8}\) = \(\dfrac{3\times7\times9}{8\times7\times9}\) = \(\dfrac{189}{504}\)

\(\dfrac{2}{9}\) = \(\dfrac{2\times7\times8}{9\times7\times8}\) = \(\dfrac{112}{504}\)

Đánh giá giúp me nha :D

Answer 4

\(\dfrac{1}{7}=\dfrac{1x8x9}{7x8x9}=\dfrac{72}{504}\)

\(\dfrac{3}{8}=\dfrac{3x7x9}{8x7x9}=\dfrac{189}{504}\)

\(\dfrac{2}{9}=\dfrac{2x7x8}{9x7x8}=\dfrac{112}{504}\)

HT