Adding and substracting and simplifying fractions 8 questions

a. 26/27  b. 4/5  c. 3/8  d. 7/16  a. 4/9  b. 3/5  c. 7/24  d. 3/14

Step-by-step explanation:

To solve problems like these, first make a common denominator. Then add/subtract. Finally, simplify.

a. 4/9+14/27=12/27+14/27=26/27

b. 3/10+1/2=3/10+5/10=8/10=4/5

c. 1/10+11/40=4/40+11/40=15/40=3/8

d. 1/16+3/8=1/16+6/16=7/16

a. 7/9-1/3=7/9-3/9=4/9

b. 3/4-3/20=15/20-3/20=12/20=3/5

c. 11/24-1/6=11/24-4/24=7/24

d. 9/14-3/7=9/14-6/14=3/14

Please give me Brainliest because I worked very hard on these. I hope you understand the concept better now and happy mathing!

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14