Okay,so u make the denominator the same by multiplying the fraction it's self by a number that will make the denominator the same.Then you add or subtract the the whole numbers together, then you add or subtract the numerators keep the denominator as you got when you multipled it.
Hope this helps
Answer:
x = 2
Step-by-step explanation:
2(3x + 4) = 4x + 12
6x + 8 = 4x + 12
2x + 8 = 12
2x = 4
x = 2
Answer:

Step-by-step explanation:
750metres÷1000
5/3 = x/12
12 x 5 = 60
60/3 = 20
The new fraction should be 20/12.