Question

11/18 - 7/18 + 3/7 + 5/8


e fração ​

Answer 1

= 11/18 - 7/18 + 3/7 + 5/8
= 4/18 (:2)/(:2) + 3/7 + 5/8
= 2/9 + 3/7 + 5/8
= (56.2+ 72.3 + 63.5)/504
= (112+216+315)/504
= 643/504

9,7,8: 2
9,7,4: 2
9,7,2: 2
9,7,1: 3
3,7,1: 3
1,7,1: 7
1,1,1

= 2.2.2.3.3.7
= 8.9.7
= 72.7
= 504

Mmc = 504

R.:
643/504