B=(8/5 - 9/10) - ( 2/3 + 3/ 4)
fraction irréductible

Responsive Ad Header

Question

Grade: Education Subject: mathematiques
B=(8/5 - 9/10) - ( 2/3 + 3/ 4)
fraction irréductible

Asked by:
70 Viewed 70 Answers
Responsive Ad After Question

Answer (70)

Best Answer
(125)
B=(8/5 - 9/10) - ( 2/3 + 3/ 4)
b = (16/10-9/10) -(8/12+9/12)
b = 7/10 -17/12
b = 42/60 -85/60
b =  -43/60
(209)
(8X2/5X2 - 9/10) - (2/3 + 3/4)
(16/10 - 9/10) - (2/3 + 3/4)
7/10 - (2X4/3X4 + 3X3/4X3)
7/10 - (8/12 + 9/12)
7/10 - 17/12
7X6/10X6 - 17X5/12X5
42/60 - 85/60
-43/60