Distributive. I always word it in my head as "you can DISTRIBUTE the 3 onto the 4 and onto the 5". After a few problems like it you'll get the hang of it no problem
Answer:
5 9/10
Step-by-step explanation:
step one: convert 4 1/2 into 9/2 and convert 1 2/5 into 7/5
step two: find common denominator which is 10
step three convert to common denominator, 9/5=45/10 and 7/5= 14/10
step four add together which is 59/10
step five simplify into mixed number 5 9/10
X, x+2, and x+4 are the numbers where x=odd integer
x+(x+2)+(x+4)=51
3x+6=51
3x=51-6
3x=45
x=45/3
x=15, x+2=17, x+4=19
also you can do the following...
51/3=17
17-2=15
and 17+2=19