Answer:
b = 
Step-by-step explanation:
b +
= 1
← change to an improper fraction
b +
= 
Multiply through by 12 ( the LCM of 3 and 4 ) to clear the fractions
12b + 8 = 15 ( subtract 8 from both sides )
12b = 7 ( divide both sides by 12 )
b = 
Answer:
0.16666
Step-by-step explanation:
100/60
I'm not real sure if this is right but I did my best
They are the same because 14 is 2*7 and 21 is 3*7.