Приведите к наименьшему общему знаменателю дроби:а) 2/9 и 3/5 б) 6/7 и 9/14 в) 13/28 и 8/21 г) 1/504 и 1/756
НОК (9; 5) = 45
а) и
НОК (7; 14) = 14
б) и
НОК (28; 21) = 84
в) и
НОК (504; 756) = 1512
г) и
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
НОК (9; 5) = 45
а)
и ![\tt\displaystyle\frac{3}{5}=\frac{3*9}{5*9}=\frac{27}{45} \tt\displaystyle\frac{3}{5}=\frac{3*9}{5*9}=\frac{27}{45}](https://tex.z-dn.net/?f=%5Ctt%5Cdisplaystyle%5Cfrac%7B3%7D%7B5%7D%3D%5Cfrac%7B3%2A9%7D%7B5%2A9%7D%3D%5Cfrac%7B27%7D%7B45%7D)
НОК (7; 14) = 14
б)
и ![\tt\displaystyle\frac{9}{14} \tt\displaystyle\frac{9}{14}](https://tex.z-dn.net/?f=%5Ctt%5Cdisplaystyle%5Cfrac%7B9%7D%7B14%7D)
НОК (28; 21) = 84
в)
и ![\tt\displaystyle\frac{8}{21}=\frac{8*4}{21*4}=\frac{32}{84} \tt\displaystyle\frac{8}{21}=\frac{8*4}{21*4}=\frac{32}{84}](https://tex.z-dn.net/?f=%5Ctt%5Cdisplaystyle%5Cfrac%7B8%7D%7B21%7D%3D%5Cfrac%7B8%2A4%7D%7B21%2A4%7D%3D%5Cfrac%7B32%7D%7B84%7D)
НОК (504; 756) = 1512
г)
и ![\tt\displaystyle\frac{1}{756}=\frac{1*2}{756*2}=\frac{2}{1512} \tt\displaystyle\frac{1}{756}=\frac{1*2}{756*2}=\frac{2}{1512}](https://tex.z-dn.net/?f=%5Ctt%5Cdisplaystyle%5Cfrac%7B1%7D%7B756%7D%3D%5Cfrac%7B1%2A2%7D%7B756%2A2%7D%3D%5Cfrac%7B2%7D%7B1512%7D)