Question

What should be added to -7/20 got get -2/5

Answer 1

Answer:

x=1/20

Step-by-step explanation:

-7/20+x=-2/5

x=-2/5+7/20

LCM of 5 and 20=20

x=-2/5×4/4-7/20

x=-8/20-7/20

x=1/20

Answer 2

Answer:

Let x be the number to be added to -7/20 to get -2/5

=> -7/20 + x = -2/5

=> x = -2/5 + 7/20

After simplyfying, we get

x = -1/20

i.e. -1/20 should be added to -7/20 to get -2/5