Hat's the difference between 1261⁄4 and 78 2⁄3? a. 48 1⁄3 b. 47 7⁄12 c. 57 7⁄12 d. 58 5⁄12

option B.

Explanation:

1) The first number is a mixed number: 126 and 1/4, so you can convert it into an improper fraction in this way:

126 + 1/4 = (4*126 + 1)/4 = 505 / 4

2) The second number is also a mixed number: 78 and 2/3, so you can convert it into an improper fraction in this way:

78 + 2/3 = (3*78 + 2) / 3 = (234 + 2) / 3 = 236 / 3

3) Now you can find the difference between the two numbers by subtracting fractions:



4) Now you can convert 571/12 into a mixed number:

47 + 7/12 = 47 and 7/12 =