Question

2. Add the following rational numbers:
-2/5 and 3/4​

Answer 1

Answer:

FIRST OF ALL TAKE LCM OF DENOMINATORS

HERE,LCM=20

Step-by-step explanation:

SO

-8+15/20

7/20 ANSWER

Answer 2

Answer:

$- \frac{2}{5} + \frac{3}{4} \\ = \frac{ - 8 + 15}{20} \\ = \frac{7}{20}$