Question

What's the difference between 126 1⁄4 and 78 2⁄3?

A. 47 7⁄12
B. 48 1⁄3
C. 57 7⁄12
D. 58 5⁄12

Answer 1

Hi, your answer would be the first one, A. 47 7/12. Hoped I helped! 

Answer 2

Okay so you need to convert 126 1/4 to an improper fraction...

126*4+1/4- 78 2/3

Simplify 126*4

504+1/4- 78 2/3

505/4- 78 2/3

Now you need to convert 78 2/3 to an improper fraction as well.

505/4- 78*3+2/3

Simplify 78*3

505/4-234+2/3

505/4-236/3

Find the LCD (least common denominator) of the improper fractions.

4, 8, 12,

3, 6, 9, 12

LCD=12

505*3/4*3- 236*4/3*4

1515-944/12

571/12

=47 7/12

So A