Question

in chapter rational number
for class 8 how to solve this kind of questions (5/12-7/15)-9/20​

Answer 1

Answer:

-1/2

Step-by-step explanation:

(5/12-7/15)-9/20

by taking LCM

LCM=60

=)(25-28/60)-9/20

=)(-3/60)-9/20

=)-3-27/60

=)-30/60

=)-1/2

Answer 2

Answer:

-1/2

Step-by-step explanation:

first take L. C. M. of 12 and 15 which is 60

it forms 25-28 = -3 = -1

60 60 20

then add the remaining left over

-1 -9 = -1-9 =-10 = -1

20 20 20 20 2

hope it helps you

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