Question

simplify

a. 4/7+2/21+1/3
b. -7/9-(-5/12)+1/3
c. 7/9+(-2/3)+(-11/18)+1/6
d. -7/22×-14/35×-12/5
e. -4/5×5/7×(-8/9)+8/9×4/7
f. -3/2×-6/5+2/3+5/6÷7/6​

Answer 1

Answer:

a.1

Step-by-step explanation:

4/7+2/21+1/3

L.C.M of 7,21, and 3=21

4/7+2/21+1/3 / 21

12+2+7 / 21

21/21=1

HOPE IT HELPS YOU