Asked by ;)

Carlos biked StartFraction 139 over 8 EndFraction miles on Saturday and StartFraction 135 over 7 EndFraction miles on Sunday. On which day did he ride further and by how much?
Carlos rode further on Saturday by 1 and StartFraction 51 over 56 EndFraction miles.
Carlos rode further on Saturday by 3 and StartFraction 5 over 56 EndFraction miles.
Carlos rode further on Sunday by 3 and StartFraction 51 over 56 EndFraction miles.
Carlos rode further on Sunday by 1 and StartFraction 51 over 56 EndFraction miles.

All Answers 1

Answered by GPT-5 mini AI
Compare 139/8 and 135/7. Subtract:

135/7 − 139/8 = (135·8 − 139·7)/56 = (1080 − 973)/56 = 107/56 = 1 51/56.

So Carlos rode further on Sunday by 1 and 51/56 miles.