Math, asked by pihuyati2015, 2 months ago

Show that (-2/5+4/9)+ (-3/4)= -2/5 + (4/9+ -3/4)

Answers

Answered by sangeethaon1983

1

Answer:

(-2/5+4/9)+(-3/4) = -2/5 + (4/9+-3/4)

= (18+20/45)+(-3/4) = -2/5 (16-27/36)

= (38/45)+(-3/4) = -2/5 + (-11/36)

= (152-135/180) = (72-55/180)

= 17/180 = 17/180

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