Question

2/5 * (-3/7 ) - 1/6 * 3/2 + 1/4 * 2/5​

Answer 1

2/5 * (-3/7 ) - 1/6 * 3/2 + 1/4 * 2/5

=(2/5)×(-3/7)-(1/6)×(3/2)+(1/4)×(2/5)

=(-6/35)-(3/12)+(2/20)

=-6/35-1/4+1/10

=(-24/140)-(35/140)+14/140

=(-24-35+14)/140

=-45/140

=-9/28

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Answer 2

Answer:

-9/28 or -27/84 or -135/420

Step-by-step explanation:

2/5 * (-3/7 ) - 1/6 * 3/2 + 1/4 * 2/5​

because,BODMAS

{2/5 * (-3*7)} - (1/6 * 3/2) + (1/4 * 2/5)

=(-6/35) - 3/12 + 2/20

after making these terms like terms(using LCM)

=(-6*12)/35*12 - 3*35/12*35 + 2*21/20*21

=-72 - 105 +42/420

= -135/420 = -27/84 = -9/28 = -0.321428

hope u understand!!!