To add and subtract fractions, we need to use equivalent fractions with the same denominator.
Study this site.
http://www.mathsisfun.com/numbers/fractions-mixed-addition.html
126 1/4 minus 78 2/3
126 3/12 - 78 8/12
Now we need to change the first number to 125 15/12
125 15/12 - 78 8/12 = ?
What is the difference between 126 1/4 and 78 2/3?
A. 57 7/12
B. 48 1/3
C. 47 7/12
D. 58 5/12
I think it's C , but i really don't understand fractions, if i'm wrong could you possibly elaborate what i did wrong and how to fix it
1 answer
1 answer