Question

rearrange the suitable and find the sum
-5+3/10+3/7+(-3)+5/14+7/20
pls give the explanation​

Answer 1

Step-by-step explanation:

-5/1+3/10+3/7-3/1+5/14+7/20

take lcm of 1,10,7,5,14 and 20

lcm=2×5×7×2=140

-5×140+3×14+3×20-3×140+5×10+7×70/140

-700+42+60-420+50+490/140

-700-420+42+60+50+490/140

-1120+642/140

-478/140

-239/70