Solution of; 7/3×2/5 - 4/7 + 3/7×(-2/5) is______ *
Answers
Answered by
0
Step-by-step explanation:
(7/3)*(2/5)-(4/7)+(3/7)*(-2/5)
=(14/15)-(4/7)+(-6/35)
=(14/15)-(20+6)/35
=(14/15)-(26/35)
=(2/5)* [(2/3)-(13/7)]
=(2/5)*[(14-39)/21]
=(2/5)*(-25/21)
= -50/105
= -10/21
Answered by
0
Step-by-step explanation:
[7/3 × 2/5 + 3/7 ×(-2/5)] - 4/7
=> 2/5 × [7/3 + (-1)] - 4/7 ( Distributive Property)
=> 2/5 × (7/3 -1) - 4/7
= 2/5 × 4/3 - 4/7 ( sinceLCM of 3&1 = 3)
=> 8/15 - 4/7
LCM of 15 & 7 = 105
=> 56/105 - 60/105
= -4/105
Similar questions