Question

Subtract the following rational numbers:-2/5and3/4​

Answer 1

2/5 and 3/4

so LCM of 5,4 is 20;

Now:

Make denominators 20:-

2/5 x 4/4 = 8/20

3/4 x 5/5 = 15/20

Now:

8-15/20

= -7/20

Answer is: -7/20

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