Question

solve the following. a. 4/5 +1/6 b. 7/15 -7/20​

Answer 1

Step-by-step explanation:

a. 4/5 + 1/6

lcm of 5 and 6 = 30

4×6 + 1×5 / 30

24 + 5/30

29/30

b. 7/15 - 7/20

lcm of 15 and 20 = 60

7×4 - 7×3/60

28- 21/60

7/60

i hope it helps you

Answer 2

Answer

a 4/5+1/6

LCM = 30

4*6+1*5

30

24+5

30

29

30

b. 7/15-7/20

LCM = 60

7*4-7*3

60

28-21

60

7

60