Question

Evaluate the following. rational numbers please show the working
a. 3/5 − 1/3
b. −3/5 − 2/7
c. −5/14 − −1/7

Answer 1

Answer:

1. 3/5 - 1/3 = [(3*3)-(1*5)] / (5*3) =(9-5)/15 = 4/15.
2. -3/5 -2/7 = [(-3*7) - (2*5)] / (5*7) = (-21-10)/35 = -31/35.
3. -5/14 - -1/7 = -5/14 + 1/7 = [(-5*1)+(1*2)]/14 = (-5+2)/14 = -3/14.

 

Answer 2

Answer:

how are you

Step-by-step explanation:

Photosynthesis is a process by which green plant make their own food

Hope it's helpfull