Question

-7by 10 from -3 by 15 . subtract rational numbers​

Answer 1

Answer:

-1 by 2 is answer

Explanation:

-3/15 - (-7/10)

-6+21/30

-15/39

-1/2

Answer 2

Answer:

1. First do LCM of 10,15 answer is 30

2.In question they told from so we have to take -3/15 first and second is -7/10

3.For first fraction-3/15=-3×2/15×2=-6/30

4.For second fraction -7/10=-7×3/10×3=-21/30

5.Now they are like fractions so we can subtract now

6.-6/30-(-21/30)=-6+21/30

7.15/30=1/2

Hope this answer is helpful